40747431535632 has 120 divisors (see below), whose sum is σ = 118732629172248. Its totient is φ = 13033964390400.

The previous prime is 40747431535631. The next prime is 40747431535639. The reversal of 40747431535632 is 23653513474704.

40747431535632 is a `hidden beast` number, since 4 + 0 + 7 + 4 + 7 + 43 + 1 + 535 + 63 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2393557776 + 40745037977856 = 48924^2 + 6383184^2 .

It is not an unprimeable number, because it can be changed into a prime (40747431535631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56210883 + ... + 56931170.

Almost surely, 2^{40747431535632} is an apocalyptic number.

It is an amenable number.

40747431535632 is an abundant number, since it is smaller than the sum of its proper divisors (77985197636616).

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

40747431535632 is a wasteful number, since it uses less digits than its factorization.

40747431535632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113142169 (or 113142160 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 54.

The spelling of 40747431535632 in words is "forty trillion, seven hundred forty-seven billion, four hundred thirty-one million, five hundred thirty-five thousand, six hundred thirty-two".