212616040 has 64 divisors (see below), whose sum is σ = 588792960. Its totient is φ = 67288320.

The previous prime is 212616017. The next prime is 212616067. The reversal of 212616040 is 40616212.

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, 25566 + ... + 32845.

It is an arithmetic number, because the mean of its divisors is an integer number (9199890).

Almost surely, 2^212616040 is an apocalyptic number.

212616040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212616040 is an abundant number, since it is smaller than the sum of its proper divisors (376176920).

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

212616040 is a wasteful number, since it uses less digits than its factorization.

212616040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58442 (or 58438 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 212616040 is about 14581.3593330663. The cubic root of 212616040 is about 596.8501972095.

The spelling of 212616040 in words is "two hundred twelve million, six hundred sixteen thousand, forty".