648975234152 has 32 divisors (see below), whose sum is σ = 1395104260800. Its totient is φ = 277243634304.

The previous prime is 648975234137. The next prime is 648975234157. The reversal of 648975234152 is 251432579846.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (648975234157) 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, 18495002 + ... + 18530057.

It is an arithmetic number, because the mean of its divisors is an integer number (43597008150).

Almost surely, 2^648975234152 is an apocalyptic number.

It is an amenable number.

648975234152 is an abundant number, since it is smaller than the sum of its proper divisors (746129026648).

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

648975234152 is a wasteful number, since it uses less digits than its factorization.

648975234152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37025385 (or 37025381 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 56.

The spelling of 648975234152 in words is "six hundred forty-eight billion, nine hundred seventy-five million, two hundred thirty-four thousand, one hundred fifty-two".