2690051680 has 48 divisors (see below), whose sum is σ = 6360624144. Its totient is φ = 1075110400.

The previous prime is 2690051677. The next prime is 2690051699. The reversal of 2690051680 is 861500962.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

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, 201699 + ... + 214621.

It is an arithmetic number, because the mean of its divisors is an integer number (132513003).

Almost surely, 2^2690051680 is an apocalyptic number.

2690051680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2690051680 is an abundant number, since it is smaller than the sum of its proper divisors (3670572464).

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

2690051680 is a wasteful number, since it uses less digits than its factorization.

2690051680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14239 (or 14231 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 2690051680 is about 51865.7081316741. The cubic root of 2690051680 is about 1390.7643226687.

The spelling of 2690051680 in words is "two billion, six hundred ninety million, fifty-one thousand, six hundred eighty".