7900040662 has 8 divisors (see below), whose sum is σ = 11874801600. Its totient is φ = 3941773464.

The previous prime is 7900040653. The next prime is 7900040671. The reversal of 7900040662 is 2660400097.

It is an interprime number because it is at equal distance from previous prime (7900040653) and next prime (7900040671).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×7900040662² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4122237 + ... + 4124152.

It is an arithmetic number, because the mean of its divisors is an integer number (1484350200).

Almost surely, 2^7900040662 is an apocalyptic number.

7900040662 is a deficient number, since it is larger than the sum of its proper divisors (3974760938).

7900040662 is a wasteful number, since it uses less digits than its factorization.

7900040662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8246870.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 7900040662 is about 88882.1729144827. The cubic root of 7900040662 is about 1991.6351183190.

The spelling of 7900040662 in words is "seven billion, nine hundred million, forty thousand, six hundred sixty-two".