2656042550 has 72 divisors (see below), whose sum is σ = 5828131440. Its totient is φ = 897758400.

The previous prime is 2656042483. The next prime is 2656042573. The reversal of 2656042550 is 552406562.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 2656042550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 166316 + ... + 181584.

It is an arithmetic number, because the mean of its divisors is an integer number (80946270).

Almost surely, 2^2656042550 is an apocalyptic number.

2656042550 is an abundant number, since it is smaller than the sum of its proper divisors (3172088890).

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

2656042550 is a wasteful number, since it uses less digits than its factorization.

2656042550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15366 (or 15354 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 2656042550 is about 51536.8077203080. The cubic root of 2656042550 is about 1384.8785098506.

The spelling of 2656042550 in words is "two billion, six hundred fifty-six million, forty-two thousand, five hundred fifty".