810400146 has 16 divisors (see below), whose sum is σ = 1624497600. Its totient is φ = 269517168.

The previous prime is 810400139. The next prime is 810400153. The reversal of 810400146 is 641004018.

It is an interprime number because it is at equal distance from previous prime (810400139) and next prime (810400153).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151201 + ... + 156468.

It is an arithmetic number, because the mean of its divisors is an integer number (101531100).

Almost surely, 2^810400146 is an apocalyptic number.

810400146 is an abundant number, since it is smaller than the sum of its proper divisors (814097454).

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

810400146 is a wasteful number, since it uses less digits than its factorization.

810400146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308113.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 810400146 is about 28467.5279221783. The cubic root of 810400146 is about 932.3232261039.

The spelling of 810400146 in words is "eight hundred ten million, four hundred thousand, one hundred forty-six".