648072152 has 64 divisors (see below), whose sum is σ = 1502995200. Its totient is φ = 255104640.

The previous prime is 648072149. The next prime is 648072163. The reversal of 648072152 is 251270846.

It is a super-2 number, since 2×648072152² = 839995028395822208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151499 + ... + 155717.

It is an arithmetic number, because the mean of its divisors is an integer number (23484300).

Almost surely, 2^648072152 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 648072152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (751497600).

648072152 is an abundant number, since it is smaller than the sum of its proper divisors (854923048).

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

648072152 is a wasteful number, since it uses less digits than its factorization.

648072152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4456 (or 4452 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 648072152 is about 25457.2612823925. The cubic root of 648072152 is about 865.3818586440.

The spelling of 648072152 in words is "six hundred forty-eight million, seventy-two thousand, one hundred fifty-two".