25457714541490 has 128 divisors (see below), whose sum is σ = 60597050849280. Its totient is φ = 7459863091200.

The previous prime is 25457714541487. The next prime is 25457714541491. The reversal of 25457714541490 is 9414541775452.

It is not an unprimeable number, because it can be changed into a prime (25457714541491) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4725087 + ... + 8558146.

It is an arithmetic number, because the mean of its divisors is an integer number (473414459760).

Almost surely, 2^{25457714541490} is an apocalyptic number.

25457714541490 is an abundant number, since it is smaller than the sum of its proper divisors (35139336307790).

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

25457714541490 is a wasteful number, since it uses less digits than its factorization.

25457714541490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13283408.

The product of its (nonzero) digits is 28224000, while the sum is 58.

The spelling of 25457714541490 in words is "twenty-five trillion, four hundred fifty-seven billion, seven hundred fourteen million, five hundred forty-one thousand, four hundred ninety".