816058540 has 24 divisors (see below), whose sum is σ = 1869516432. Its totient is φ = 296748480.

The previous prime is 816058433. The next prime is 816058567. The reversal of 816058540 is 45850618.

It is a self number, because there is not a number n which added to its sum of digits gives 816058540.

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, 1854459 + ... + 1854898.

It is an arithmetic number, because the mean of its divisors is an integer number (77896518).

Almost surely, 2^816058540 is an apocalyptic number.

It is an amenable number.

816058540 is an abundant number, since it is smaller than the sum of its proper divisors (1053457892).

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

816058540 is a wasteful number, since it uses less digits than its factorization.

816058540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709377 (or 3709375 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 816058540 is about 28566.7383507463. The cubic root of 816058540 is about 934.4880913886.

The spelling of 816058540 in words is "eight hundred sixteen million, fifty-eight thousand, five hundred forty".