7990560438 has 48 divisors (see below), whose sum is σ = 19043733744. Its totient is φ = 2227330560.

The previous prime is 7990560437. The next prime is 7990560449. The reversal of 7990560438 is 8340650997.

It is a super-2 number, since 2×7990560438² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7990560437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 319395 + ... + 343502.

It is an arithmetic number, because the mean of its divisors is an integer number (396744453).

Almost surely, 2^7990560438 is an apocalyptic number.

7990560438 is an abundant number, since it is smaller than the sum of its proper divisors (11053173306).

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

7990560438 is a wasteful number, since it uses less digits than its factorization.

7990560438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662957 (or 662950 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 7990560438 is about 89389.9347689660. The cubic root of 7990560438 is about 1999.2130602368.

The spelling of 7990560438 in words is "seven billion, nine hundred ninety million, five hundred sixty thousand, four hundred thirty-eight".