64475032104 has 256 divisors, whose sum is σ = 209679360000. Its totient is φ = 17976930048.

The previous prime is 64475032091. The next prime is 64475032129. The reversal of 64475032104 is 40123057446.

64475032104 is a `hidden beast` number, since 6 + 4 + 47 + 503 + 2 + 104 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11039217 + ... + 11045055.

It is an arithmetic number, because the mean of its divisors is an integer number (819060000).

Almost surely, 2^64475032104 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 64475032104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104839680000).

64475032104 is an abundant number, since it is smaller than the sum of its proper divisors (145204327896).

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

64475032104 is a wasteful number, since it uses less digits than its factorization.

64475032104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6037 (or 6027 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 64475032104 in words is "sixty-four billion, four hundred seventy-five million, thirty-two thousand, one hundred four".