43452507964 has 24 divisors (see below), whose sum is σ = 76675350528. Its totient is φ = 21545420400.

The previous prime is 43452507961. The next prime is 43452508031. The reversal of 43452507964 is 46970525434.

It is a super-2 number, since 2×43452507964² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43452507961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1176117 + ... + 1212499.

It is an arithmetic number, because the mean of its divisors is an integer number (3194806272).

Almost surely, 2^43452507964 is an apocalyptic number.

It is an amenable number.

43452507964 is a deficient number, since it is larger than the sum of its proper divisors (33222842564).

43452507964 is a wasteful number, since it uses less digits than its factorization.

43452507964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38865 (or 38863 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 43452507964 in words is "forty-three billion, four hundred fifty-two million, five hundred seven thousand, nine hundred sixty-four".