2545266290 has 24 divisors (see below), whose sum is σ = 5329476972. Its totient is φ = 872662560.

The previous prime is 2545266281. The next prime is 2545266307. The reversal of 2545266290 is 926625452.

It can be written as a sum of positive squares in 2 ways, for example, as 2456887489 + 88378801 = 49567^2 + 9401^2 .

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 11 ways as a sum of consecutive naturals, for example, 2596721 + ... + 2597700.

Almost surely, 2^2545266290 is an apocalyptic number.

2545266290 is an abundant number, since it is smaller than the sum of its proper divisors (2784210682).

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

2545266290 is a wasteful number, since it uses less digits than its factorization.

2545266290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5194442 (or 5194435 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 2545266290 is about 50450.6322061478. The cubic root of 2545266290 is about 1365.3513012084.

The spelling of 2545266290 in words is "two billion, five hundred forty-five million, two hundred sixty-six thousand, two hundred ninety".