2640536662 has 16 divisors (see below), whose sum is σ = 4329078912. Its totient is φ = 1202520960.

The previous prime is 2640536651. The next prime is 2640536683. The reversal of 2640536662 is 2666350462.

2640536662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2640536662² = 13944867726732204488, which 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 7 ways as a sum of consecutive naturals, for example, 1251573 + ... + 1253680.

It is an arithmetic number, because the mean of its divisors is an integer number (270567432).

Almost surely, 2^2640536662 is an apocalyptic number.

2640536662 is a deficient number, since it is larger than the sum of its proper divisors (1688542250).

2640536662 is a wasteful number, since it uses less digits than its factorization.

2640536662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505303.

The product of its (nonzero) digits is 311040, while the sum is 40.

The square root of 2640536662 is about 51386.1524342891. The cubic root of 2640536662 is about 1382.1782902014.

The spelling of 2640536662 in words is "two billion, six hundred forty million, five hundred thirty-six thousand, six hundred sixty-two".