Search a number
-
+
40335822720 = 27355419619
BaseRepresentation
bin100101100100001100…
…111100111110000000
310212010001222002200000
4211210030330332000
51130101432311340
630310252400000
72625362556534
oct454414747600
9125101862600
1040335822720
111611957a686
127998476000
133a5a81372b
141d49027bc4
1510b121ed30
hex96433cf80

40335822720 has 384 divisors, whose sum is σ = 145021968000. Its totient is φ = 10713212928.

The previous prime is 40335822707. The next prime is 40335822721. The reversal of 40335822720 is 2722853304.

40335822720 is a `hidden beast` number, since 4 + 0 + 3 + 3 + 582 + 2 + 72 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40335822721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65162571 + ... + 65163189.

It is an arithmetic number, because the mean of its divisors is an integer number (377661375).

Almost surely, 240335822720 is an apocalyptic number.

40335822720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40335822720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72510984000).

40335822720 is an abundant number, since it is smaller than the sum of its proper divisors (104686145280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40335822720 is an equidigital number, since it uses as much as digits as its factorization.

40335822720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1048 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 40335822720 in words is "forty billion, three hundred thirty-five million, eight hundred twenty-two thousand, seven hundred twenty".