64854801252 has 24 divisors (see below), whose sum is σ = 168142077600. Its totient is φ = 21618267048.

The previous prime is 64854801223. The next prime is 64854801257. The reversal of 64854801252 is 25210845846.

64854801252 is a `hidden beast` number, since 6 + 48 + 5 + 480 + 125 + 2 = 666.

It is a super-2 number, since 2×64854801252² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 64854801198 and 64854801207.

It is not an unprimeable number, because it can be changed into a prime (64854801257) 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, 300253602 + ... + 300253817.

It is an arithmetic number, because the mean of its divisors is an integer number (7005919900).

Almost surely, 2^64854801252 is an apocalyptic number.

It is an amenable number.

64854801252 is an abundant number, since it is smaller than the sum of its proper divisors (103287276348).

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

64854801252 is a wasteful number, since it uses less digits than its factorization.

64854801252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600507432 (or 600507424 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The spelling of 64854801252 in words is "sixty-four billion, eight hundred fifty-four million, eight hundred one thousand, two hundred fifty-two".