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40872384 = 2633731109
BaseRepresentation
bin1001101111101…
…0100111000000
32211220112101000
42123322213000
540430404014
64020012000
71004260320
oct233724700
984815330
1040872384
1121087033
1211831000
138610957
1455dd280
1538c5509
hex26fa9c0

40872384 has 224 divisors, whose sum is σ = 143052800. Its totient is φ = 11197440.

The previous prime is 40872373. The next prime is 40872389. The reversal of 40872384 is 48327804.

40872384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (224).

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 (40872389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 374922 + ... + 375030.

Almost surely, 240872384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40872384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71526400).

40872384 is an abundant number, since it is smaller than the sum of its proper divisors (102180416).

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

40872384 is a wasteful number, since it uses less digits than its factorization.

40872384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 40872384 is about 6393.1513356091. The cubic root of 40872384 is about 344.4635898558.

The spelling of 40872384 in words is "forty million, eight hundred seventy-two thousand, three hundred eighty-four".