40133556343420 has 96 divisors (see below), whose sum is σ = 88876297440000. Its totient is φ = 15199775345664.

The previous prime is 40133556343399. The next prime is 40133556343427. The reversal of 40133556343420 is 2434365533104.

It is a super-2 number, since 2×40133556343420² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40133556343427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61122702 + ... + 61775818.

It is an arithmetic number, because the mean of its divisors is an integer number (925794765000).

Almost surely, 2^{40133556343420} 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 40133556343420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44438148720000).

40133556343420 is an abundant number, since it is smaller than the sum of its proper divisors (48742741096580).

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

40133556343420 is a wasteful number, since it uses less digits than its factorization.

40133556343420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655207 (or 655205 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 43.

The spelling of 40133556343420 in words is "forty trillion, one hundred thirty-three billion, five hundred fifty-six million, three hundred forty-three thousand, four hundred twenty".