64118484400460 has 24 divisors (see below), whose sum is σ = 153884362561440. Its totient is φ = 21983480365824.

The previous prime is 64118484400427. The next prime is 64118484400463. The reversal of 64118484400460 is 6400448481146.

It is a super-2 number, since 2×64118484400460² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64118484400399 and 64118484400408.

It is not an unprimeable number, because it can be changed into a prime (64118484400463) 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, 228994587005 + ... + 228994587284.

It is an arithmetic number, because the mean of its divisors is an integer number (6411848440060).

Almost surely, 2^{64118484400460} is an apocalyptic number.

It is an amenable number.

64118484400460 is an abundant number, since it is smaller than the sum of its proper divisors (89765878160980).

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

64118484400460 is a wasteful number, since it uses less digits than its factorization.

64118484400460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457989174305 (or 457989174303 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 50.

The spelling of 64118484400460 in words is "sixty-four trillion, one hundred eighteen billion, four hundred eighty-four million, four hundred thousand, four hundred sixty".