40002412032 has 160 divisors (see below), whose sum is σ = 129174946560. Its totient is φ = 12121896960.

The previous prime is 40002412007. The next prime is 40002412039. The reversal of 40002412032 is 23021420004.

40002412032 is a `hidden beast` number, since 400 + 0 + 241 + 20 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 40002411996 and 40002412014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40002412039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20533 + ... + 283595.

It is an arithmetic number, because the mean of its divisors is an integer number (807343416).

Almost surely, 2^40002412032 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 40002412032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64587473280).

40002412032 is an abundant number, since it is smaller than the sum of its proper divisors (89172534528).

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

40002412032 is a wasteful number, since it uses less digits than its factorization.

40002412032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263101 (or 263079 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 40002412032 its reverse (23021420004), we get a palindrome (63023832036).

The spelling of 40002412032 in words is "forty billion, two million, four hundred twelve thousand, thirty-two".