25540043424350 has 192 divisors, whose sum is σ = 61913139305472. Its totient is φ = 7606690560000.

The previous prime is 25540043424349. The next prime is 25540043424433. The reversal of 25540043424350 is 5342434004552.

It is a junction number, because it is equal to n+sod(n) for n = 25540043424298 and 25540043424307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1272474815 + ... + 1272494885.

It is an arithmetic number, because the mean of its divisors is an integer number (322464267216).

Almost surely, 2^{25540043424350} is an apocalyptic number.

25540043424350 is an abundant number, since it is smaller than the sum of its proper divisors (36373095881122).

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

25540043424350 is a wasteful number, since it uses less digits than its factorization.

25540043424350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36571 (or 36566 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 41.

The spelling of 25540043424350 in words is "twenty-five trillion, five hundred forty billion, forty-three million, four hundred twenty-four thousand, three hundred fifty".