7990526290 has 32 divisors (see below), whose sum is σ = 14787174384. Its totient is φ = 3106563840.

The previous prime is 7990526287. The next prime is 7990526309. The reversal of 7990526290 is 926250997.

It can be written as a sum of positive squares in 8 ways, for example, as 6000206521 + 1990319769 = 77461^2 + 44613^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358060 + ... + 379720.

Almost surely, 2^7990526290 is an apocalyptic number.

7990526290 is a deficient number, since it is larger than the sum of its proper divisors (6796648094).

7990526290 is a wasteful number, since it uses less digits than its factorization.

7990526290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22702.

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 7990526290 is about 89389.7437629172. The cubic root of 7990526290 is about 1999.2102123254.

The spelling of 7990526290 in words is "seven billion, nine hundred ninety million, five hundred twenty-six thousand, two hundred ninety".