216025488 has 80 divisors (see below), whose sum is σ = 708664960. Its totient is φ = 61720704.

The previous prime is 216025471. The next prime is 216025493. The reversal of 216025488 is 884520612.

216025488 is a `hidden beast` number, since 2 + 1 + 602 + 5 + 48 + 8 = 666.

It is a super-2 number, since 2×216025488² = 93334022931276288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 32695 + ... + 38742.

It is an arithmetic number, because the mean of its divisors is an integer number (8858312).

Almost surely, 2^216025488 is an apocalyptic number.

216025488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

216025488 is an abundant number, since it is smaller than the sum of its proper divisors (492639472).

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

216025488 is a wasteful number, since it uses less digits than its factorization.

216025488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71461 (or 71449 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 216025488 is about 14697.8055504895. The cubic root of 216025488 is about 600.0235990718.

The spelling of 216025488 in words is "two hundred sixteen million, twenty-five thousand, four hundred eighty-eight".