32366545640 has 128 divisors (see below), whose sum is σ = 86762430720. Its totient is φ = 10711142400.

The previous prime is 32366545613. The next prime is 32366545681. The reversal of 32366545640 is 4654566323.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 32366545591 and 32366545600.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366272 + ... + 445968.

It is an arithmetic number, because the mean of its divisors is an integer number (677831490).

Almost surely, 2^32366545640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32366545640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43381215360).

32366545640 is an abundant number, since it is smaller than the sum of its proper divisors (54395885080).

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

32366545640 is a wasteful number, since it uses less digits than its factorization.

32366545640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79803 (or 79799 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 44.

The spelling of 32366545640 in words is "thirty-two billion, three hundred sixty-six million, five hundred forty-five thousand, six hundred forty".