2679339640 has 32 divisors (see below), whose sum is σ = 6047926560. Its totient is φ = 1068284800.

The previous prime is 2679339631. The next prime is 2679339653. The reversal of 2679339640 is 469339762.

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, 95251 + ... + 120130.

It is an arithmetic number, because the mean of its divisors is an integer number (188997705).

Almost surely, 2^2679339640 is an apocalyptic number.

2679339640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2679339640 is an abundant number, since it is smaller than the sum of its proper divisors (3368586920).

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

2679339640 is a wasteful number, since it uses less digits than its factorization.

2679339640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215703 (or 215699 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 49.

The square root of 2679339640 is about 51762.3380461123. The cubic root of 2679339640 is about 1388.9158151959.

The spelling of 2679339640 in words is "two billion, six hundred seventy-nine million, three hundred thirty-nine thousand, six hundred forty".