32501647464 has 64 divisors (see below), whose sum is σ = 95459394240. Its totient is φ = 9091368960.

The previous prime is 32501647463. The next prime is 32501647499. The reversal of 32501647464 is 46474610523.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (32501647463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4731657 + ... + 4738520.

It is an arithmetic number, because the mean of its divisors is an integer number (1491553035).

Almost surely, 2^32501647464 is an apocalyptic number.

It is an amenable number.

32501647464 is an abundant number, since it is smaller than the sum of its proper divisors (62957746776).

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

32501647464 is a wasteful number, since it uses less digits than its factorization.

32501647464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9470210 (or 9470206 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

It can be divided in two parts, 3250164 and 7464, that added together give a triangular number (3257628 = T₂₅₅₂).

The spelling of 32501647464 in words is "thirty-two billion, five hundred one million, six hundred forty-seven thousand, four hundred sixty-four".