812490910 has 64 divisors (see below), whose sum is σ = 1850688000. Its totient is φ = 249448320.

The previous prime is 812490907. The next prime is 812490919. The reversal of 812490910 is 19094218.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812490919) 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, 43716 + ... + 59464.

It is an arithmetic number, because the mean of its divisors is an integer number (28917000).

Almost surely, 2^812490910 is an apocalyptic number.

812490910 is an abundant number, since it is smaller than the sum of its proper divisors (1038197090).

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

812490910 is a wasteful number, since it uses less digits than its factorization.

812490910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15841.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 812490910 is about 28504.2261778846. The cubic root of 812490910 is about 933.1243093425.

The spelling of 812490910 in words is "eight hundred twelve million, four hundred ninety thousand, nine hundred ten".