4645624872456 has 24 divisors (see below), whose sum is σ = 12581900696430. Its totient is φ = 1548541624128.

The previous prime is 4645624872311. The next prime is 4645624872487. The reversal of 4645624872456 is 6542784265464.

4645624872456 is a `hidden beast` number, since 4 + 6 + 4 + 562 + 48 + 7 + 24 + 5 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4496732302500 + 148892569956 = 2120550^2 + 385866^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 4645624872393 and 4645624872402.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32261283765 + ... + 32261283908.

Almost surely, 2^{4645624872456} is an apocalyptic number.

It is an amenable number.

4645624872456 is an abundant number, since it is smaller than the sum of its proper divisors (7936275823974).

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

4645624872456 is a wasteful number, since it uses less digits than its factorization.

4645624872456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64522567685 (or 64522567678 counting only the distinct ones).

The product of its digits is 309657600, while the sum is 63.

The spelling of 4645624872456 in words is "four trillion, six hundred forty-five billion, six hundred twenty-four million, eight hundred seventy-two thousand, four hundred fifty-six".