2640476770 has 32 divisors (see below), whose sum is σ = 4956811776. Its totient is φ = 1011571200.

The previous prime is 2640476753. The next prime is 2640476777. The reversal of 2640476770 is 776740462.

2640476770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2640476777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13836 + ... + 73975.

It is an arithmetic number, because the mean of its divisors is an integer number (154900368).

Almost surely, 2^2640476770 is an apocalyptic number.

2640476770 is a deficient number, since it is larger than the sum of its proper divisors (2316335006).

2640476770 is a wasteful number, since it uses less digits than its factorization.

2640476770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87946.

The product of its (nonzero) digits is 395136, while the sum is 43.

The square root of 2640476770 is about 51385.5696669795. The cubic root of 2640476770 is about 1382.1678400469.

The spelling of 2640476770 in words is "two billion, six hundred forty million, four hundred seventy-six thousand, seven hundred seventy".