40564325563432 has 32 divisors (see below), whose sum is σ = 85214983684320. Its totient is φ = 17939996562240.

The previous prime is 40564325563397. The next prime is 40564325563451. The reversal of 40564325563432 is 23436552346504.

It is a happy number.

It is a super-2 number, since 2×40564325563432² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40564325563432.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6229162218 + ... + 6229168729.

It is an arithmetic number, because the mean of its divisors is an integer number (2662968240135).

Almost surely, 2^{40564325563432} is an apocalyptic number.

It is an amenable number.

40564325563432 is an abundant number, since it is smaller than the sum of its proper divisors (44650658120888).

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

40564325563432 is a wasteful number, since it uses less digits than its factorization.

40564325563432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12458331001 (or 12458330997 counting only the distinct ones).

The product of its (nonzero) digits is 31104000, while the sum is 52.

The spelling of 40564325563432 in words is "forty trillion, five hundred sixty-four billion, three hundred twenty-five million, five hundred sixty-three thousand, four hundred thirty-two".