216024490 has 64 divisors (see below), whose sum is σ = 457591680. Its totient is φ = 72576000.

The previous prime is 216024481. The next prime is 216024493. The reversal of 216024490 is 94420612.

It is not an unprimeable number, because it can be changed into a prime (216024493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84430 + ... + 86950.

It is an arithmetic number, because the mean of its divisors is an integer number (7149870).

Almost surely, 2^216024490 is an apocalyptic number.

216024490 is an abundant number, since it is smaller than the sum of its proper divisors (241567190).

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

216024490 is a wasteful number, since it uses less digits than its factorization.

216024490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 216024490 is about 14697.7715998038. The cubic root of 216024490 is about 600.0226750690.

The spelling of 216024490 in words is "two hundred sixteen million, twenty-four thousand, four hundred ninety".