2545155012400 has 240 divisors, whose sum is σ = 8209995026688. Its totient is φ = 732272256000.

The previous prime is 2545155012397. The next prime is 2545155012437. The reversal of 2545155012400 is 42105515452.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2777866 + ... + 3578665.

Almost surely, 2^{2545155012400} is an apocalyptic number.

2545155012400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2545155012400 is an abundant number, since it is smaller than the sum of its proper divisors (5664840014288).

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

2545155012400 is a wasteful number, since it uses less digits than its factorization.

2545155012400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6356580 (or 6356569 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 2545155012400 in words is "two trillion, five hundred forty-five billion, one hundred fifty-five million, twelve thousand, four hundred".