40021031104 has 56 divisors (see below), whose sum is σ = 79777742400. Its totient is φ = 19919787264.

The previous prime is 40021031101. The next prime is 40021031111. The reversal of 40021031104 is 40113012004.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (40021031101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14826747 + ... + 14829445.

Almost surely, 2^40021031104 is an apocalyptic number.

It is an amenable number.

40021031104 is a deficient number, since it is larger than the sum of its proper divisors (39756711296).

40021031104 is a wasteful number, since it uses less digits than its factorization.

40021031104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677 (or 3667 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 40021031104 its reverse (40113012004), we get a palindrome (80134043108).

The spelling of 40021031104 in words is "forty billion, twenty-one million, thirty-one thousand, one hundred four".