2545551402 has 32 divisors (see below), whose sum is σ = 5159282688. Its totient is φ = 837181296.

The previous prime is 2545551397. The next prime is 2545551403. The reversal of 2545551402 is 2041555452.

It is not an unprimeable number, because it can be changed into a prime (2545551403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426813 + ... + 432735.

It is an arithmetic number, because the mean of its divisors is an integer number (161227584).

Almost surely, 2^2545551402 is an apocalyptic number.

2545551402 is an abundant number, since it is smaller than the sum of its proper divisors (2613731286).

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

2545551402 is a wasteful number, since it uses less digits than its factorization.

2545551402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6874.

The product of its (nonzero) digits is 40000, while the sum is 33.

The square root of 2545551402 is about 50453.4577804138. The cubic root of 2545551402 is about 1365.4022799616.

The spelling of 2545551402 in words is "two billion, five hundred forty-five million, five hundred fifty-one thousand, four hundred two".