40412402044 has 12 divisors (see below), whose sum is σ = 80824804144. Its totient is φ = 17319600864.

The previous prime is 40412402039. The next prime is 40412402099. The reversal of 40412402044 is 44020421404.

40412402044 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721650009 + ... + 721650064.

Almost surely, 2^40412402044 is an apocalyptic number.

It is an amenable number.

40412402044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40412402044 is a wasteful number, since it uses less digits than its factorization.

40412402044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443300084 (or 1443300082 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 40412402044 its reverse (44020421404), we get a palindrome (84432823448).

The spelling of 40412402044 in words is "forty billion, four hundred twelve million, four hundred two thousand, forty-four".