40112072436 has 24 divisors (see below), whose sum is σ = 93612164800. Its totient is φ = 13368215232.

The previous prime is 40112072431. The next prime is 40112072447. The reversal of 40112072436 is 63427021104.

It is a super-2 number, since 2×40112072436² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40112072431) 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, 241336 + ... + 372111.

Almost surely, 2^40112072436 is an apocalyptic number.

It is an amenable number.

40112072436 is an abundant number, since it is smaller than the sum of its proper divisors (53500092364).

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

40112072436 is a wasteful number, since it uses less digits than its factorization.

40112072436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618903 (or 618901 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The spelling of 40112072436 in words is "forty billion, one hundred twelve million, seventy-two thousand, four hundred thirty-six".