412491820 has 36 divisors (see below), whose sum is σ = 937999440. Its totient is φ = 152303424.

The previous prime is 412491817. The next prime is 412491839. The reversal of 412491820 is 28194214.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57640 + ... + 64399.

It is an arithmetic number, because the mean of its divisors is an integer number (26055540).

Almost surely, 2^412491820 is an apocalyptic number.

It is an amenable number.

412491820 is an abundant number, since it is smaller than the sum of its proper divisors (525507620).

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

412491820 is a wasteful number, since it uses less digits than its factorization.

412491820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122074 (or 122059 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 412491820 is about 20309.8946329123. The cubic root of 412491820 is about 744.3978558668.

The spelling of 412491820 in words is "four hundred twelve million, four hundred ninety-one thousand, eight hundred twenty".