2690640048 has 40 divisors (see below), whose sum is σ = 7359694128. Its totient is φ = 844122112.

The previous prime is 2690640023. The next prime is 2690640053. The reversal of 2690640048 is 8400460962.

It is a junction number, because it is equal to n+sod(n) for n = 2690639988 and 2690640015.

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, 1647861 + ... + 1649492.

Almost surely, 2^2690640048 is an apocalyptic number.

It is an amenable number.

2690640048 is an abundant number, since it is smaller than the sum of its proper divisors (4669054080).

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

2690640048 is a wasteful number, since it uses less digits than its factorization.

2690640048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3297381 (or 3297375 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 2690640048 is about 51871.3798544053. The cubic root of 2690640048 is about 1390.8657112502.

The spelling of 2690640048 in words is "two billion, six hundred ninety million, six hundred forty thousand, forty-eight".