2656045542 has 16 divisors (see below), whose sum is σ = 5339617200. Its totient is φ = 880760832.

The previous prime is 2656045531. The next prime is 2656045583. The reversal of 2656045542 is 2455406562.

It is a self number, because there is not a number n which added to its sum of digits gives 2656045542.

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, 1145667 + ... + 1147982.

It is an arithmetic number, because the mean of its divisors is an integer number (333726075).

Almost surely, 2^2656045542 is an apocalyptic number.

2656045542 is an abundant number, since it is smaller than the sum of its proper divisors (2683571658).

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

2656045542 is a wasteful number, since it uses less digits than its factorization.

2656045542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293847.

The product of its (nonzero) digits is 288000, while the sum is 39.

The square root of 2656045542 is about 51536.8367480970. The cubic root of 2656045542 is about 1384.8790298668.

The spelling of 2656045542 in words is "two billion, six hundred fifty-six million, forty-five thousand, five hundred forty-two".