2545405544730 has 16 divisors (see below), whose sum is σ = 6108973307424. Its totient is φ = 678774811920.

The previous prime is 2545405544719. The next prime is 2545405544743. The reversal of 2545405544730 is 374455045452.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2545405544730.

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, 42423425716 + ... + 42423425775.

It is an arithmetic number, because the mean of its divisors is an integer number (381810831714).

Almost surely, 2^{2545405544730} is an apocalyptic number.

2545405544730 is an abundant number, since it is smaller than the sum of its proper divisors (3563567762694).

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

2545405544730 is a wasteful number, since it uses less digits than its factorization.

2545405544730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84846851501.

The product of its (nonzero) digits is 6720000, while the sum is 48.

The spelling of 2545405544730 in words is "two trillion, five hundred forty-five billion, four hundred five million, five hundred forty-four thousand, seven hundred thirty".