5112297990 has 40 divisors (see below), whose sum is σ = 13746403440. Its totient is φ = 1363279248.

The previous prime is 5112297961. The next prime is 5112298003. The reversal of 5112297990 is 997922115.

It is a super-2 number, since 2×5112297990² = 52271181477116080200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3154930 + ... + 3156549.

It is an arithmetic number, because the mean of its divisors is an integer number (343660086).

Almost surely, 2^5112297990 is an apocalyptic number.

5112297990 is an abundant number, since it is smaller than the sum of its proper divisors (8634105450).

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

5112297990 is a wasteful number, since it uses less digits than its factorization.

5112297990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6311498 (or 6311489 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 45.

The square root of 5112297990 is about 71500.3355936180. The cubic root of 5112297990 is about 1722.6830746816.

The spelling of 5112297990 in words is "five billion, one hundred twelve million, two hundred ninety-seven thousand, nine hundred ninety".