511214994 has 24 divisors (see below), whose sum is σ = 1108239132. Its totient is φ = 170311680.

The previous prime is 511214989. The next prime is 511215037. The reversal of 511214994 is 499412115.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 357777225 + 153437769 = 18915^2 + 12387^2 .

It is a super-2 number, since 2×511214994² = 522681540180840072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31314 + ... + 44754.

Almost surely, 2^511214994 is an apocalyptic number.

511214994 is an abundant number, since it is smaller than the sum of its proper divisors (597024138).

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

511214994 is a wasteful number, since it uses less digits than its factorization.

511214994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15562 (or 15559 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 511214994 is about 22610.0639981403. The cubic root of 511214994 is about 799.5909335748.

The spelling of 511214994 in words is "five hundred eleven million, two hundred fourteen thousand, nine hundred ninety-four".