40472577732 has 12 divisors (see below), whose sum is σ = 94436014736. Its totient is φ = 13490859240.

The previous prime is 40472577721. The next prime is 40472577737. The reversal of 40472577732 is 23777527404.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (40472577737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1686357394 + ... + 1686357417.

Almost surely, 2^40472577732 is an apocalyptic number.

It is an amenable number.

40472577732 is an abundant number, since it is smaller than the sum of its proper divisors (53963437004).

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

40472577732 is a wasteful number, since it uses less digits than its factorization.

40472577732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3372714818 (or 3372714816 counting only the distinct ones).

The product of its (nonzero) digits is 2304960, while the sum is 48.

The spelling of 40472577732 in words is "forty billion, four hundred seventy-two million, five hundred seventy-seven thousand, seven hundred thirty-two".