814862940 has 48 divisors (see below), whose sum is σ = 2283265152. Its totient is φ = 217139776.

The previous prime is 814862927. The next prime is 814862941. The reversal of 814862940 is 49268418.

It is a super-2 number, since 2×814862940² = 1328003221970887200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 814862892 and 814862901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814862941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95947 + ... + 104093.

It is an arithmetic number, because the mean of its divisors is an integer number (47568024).

Almost surely, 2^814862940 is an apocalyptic number.

It is an amenable number.

814862940 is an abundant number, since it is smaller than the sum of its proper divisors (1468402212).

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

814862940 is a wasteful number, since it uses less digits than its factorization.

814862940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9826 (or 9824 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 814862940 is about 28545.8042451075. The cubic root of 814862940 is about 934.0314983103.

The spelling of 814862940 in words is "eight hundred fourteen million, eight hundred sixty-two thousand, nine hundred forty".