40040547632 has 10 divisors (see below), whose sum is σ = 77578561068. Its totient is φ = 20020273808.

The previous prime is 40040547619. The next prime is 40040547649. The reversal of 40040547632 is 23674504004.

It is a junction number, because it is equal to n+sod(n) for n = 40040547592 and 40040547601.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251267098 + ... + 1251267129.

Almost surely, 2^40040547632 is an apocalyptic number.

It is an amenable number.

40040547632 is a deficient number, since it is larger than the sum of its proper divisors (37538013436).

40040547632 is a wasteful number, since it uses less digits than its factorization.

40040547632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502534235 (or 2502534229 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 35.

The spelling of 40040547632 in words is "forty billion, forty million, five hundred forty-seven thousand, six hundred thirty-two".