2640633054 has 16 divisors (see below), whose sum is σ = 5393634048. Its totient is φ = 861483032.

The previous prime is 2640633043. The next prime is 2640633169. The reversal of 2640633054 is 4503360462.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4681692 + ... + 4682255.

It is an arithmetic number, because the mean of its divisors is an integer number (337102128).

Almost surely, 2^2640633054 is an apocalyptic number.

2640633054 is an abundant number, since it is smaller than the sum of its proper divisors (2753000994).

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

2640633054 is a wasteful number, since it uses less digits than its factorization.

2640633054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9363999.

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 2640633054 is about 51387.0903437819. The cubic root of 2640633054 is about 1382.1951086649.

The spelling of 2640633054 in words is "two billion, six hundred forty million, six hundred thirty-three thousand, fifty-four".