40572943824 has 160 divisors (see below), whose sum is σ = 126619356160. Its totient is φ = 10936166400.

The previous prime is 40572943777. The next prime is 40572943849. The reversal of 40572943824 is 42834927504.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1525359 + ... + 1551729.

It is an arithmetic number, because the mean of its divisors is an integer number (791370976).

Almost surely, 2^40572943824 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 40572943824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63309678080).

40572943824 is an abundant number, since it is smaller than the sum of its proper divisors (86046412336).

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

40572943824 is a wasteful number, since it uses less digits than its factorization.

40572943824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26649 (or 26643 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 40572943824 in words is "forty billion, five hundred seventy-two million, nine hundred forty-three thousand, eight hundred twenty-four".