810140048 has 10 divisors (see below), whose sum is σ = 1569646374. Its totient is φ = 405070016.

The previous prime is 810140039. The next prime is 810140059. The reversal of 810140048 is 840041018.

It can be written as a sum of positive squares in only one way, i.e., 592046224 + 218093824 = 24332^2 + 14768^2 .

It is a junction number, because it is equal to n+sod(n) for n = 810139999 and 810140026.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25316861 + ... + 25316892.

Almost surely, 2^810140048 is an apocalyptic number.

It is an amenable number.

810140048 is a deficient number, since it is larger than the sum of its proper divisors (759506326).

810140048 is a wasteful number, since it uses less digits than its factorization.

810140048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50633761 (or 50633755 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 810140048 is about 28462.9592277402. The cubic root of 810140048 is about 932.2234723566.

The spelling of 810140048 in words is "eight hundred ten million, one hundred forty thousand, forty-eight".