40040660652 has 96 divisors (see below), whose sum is σ = 95548033728. Its totient is φ = 13048479744.

The previous prime is 40040660651. The next prime is 40040660663. The reversal of 40040660652 is 25606604004.

It is not an unprimeable number, because it can be changed into a prime (40040660651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40982788 + ... + 40983764.

It is an arithmetic number, because the mean of its divisors is an integer number (995292018).

Almost surely, 2^40040660652 is an apocalyptic number.

It is an amenable number.

40040660652 is an abundant number, since it is smaller than the sum of its proper divisors (55507373076).

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

40040660652 is a wasteful number, since it uses less digits than its factorization.

40040660652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475 (or 1473 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 40040660652 in words is "forty billion, forty million, six hundred sixty thousand, six hundred fifty-two".