2545401748 has 24 divisors (see below), whose sum is σ = 4551708672. Its totient is φ = 1244943264.

The previous prime is 2545401673. The next prime is 2545401763. The reversal of 2545401748 is 8471045452.

It is a self number, because there is not a number n which added to its sum of digits gives 2545401748.

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, 639661 + ... + 643627.

It is an arithmetic number, because the mean of its divisors is an integer number (189654528).

Almost surely, 2^2545401748 is an apocalyptic number.

It is an amenable number.

2545401748 is a deficient number, since it is larger than the sum of its proper divisors (2006306924).

2545401748 is a wasteful number, since it uses less digits than its factorization.

2545401748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7431 (or 7429 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 40.

The square root of 2545401748 is about 50451.9746689860. The cubic root of 2545401748 is about 1365.3755219192.

The spelling of 2545401748 in words is "two billion, five hundred forty-five million, four hundred one thousand, seven hundred forty-eight".