40534973952 has 80 divisors (see below), whose sum is σ = 117804817152. Its totient is φ = 12283320320.

The previous prime is 40534973951. The next prime is 40534974001. The reversal of 40534973952 is 25937943504.

It is a super-2 number, since 2×40534973952² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40534973895 and 40534973904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40534973951) 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, 1182648 + ... + 1216439.

Almost surely, 2^40534973952 is an apocalyptic number.

It is an amenable number.

40534973952 is an abundant number, since it is smaller than the sum of its proper divisors (77269843200).

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

40534973952 is a wasteful number, since it uses less digits than its factorization.

40534973952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399119 (or 2399103 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 51.

The spelling of 40534973952 in words is "forty billion, five hundred thirty-four million, nine hundred seventy-three thousand, nine hundred fifty-two".