25046105661240 has 64 divisors (see below), whose sum is σ = 75151639049760. Its totient is φ = 6677777326080.

The previous prime is 25046105661229. The next prime is 25046105661263. The reversal of 25046105661240 is 4216650164052.

It is a junction number, because it is equal to n+sod(n) for n = 25046105661192 and 25046105661201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17823129 + ... + 19176968.

Almost surely, 2^{25046105661240} is an apocalyptic number.

25046105661240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25046105661240 is an abundant number, since it is smaller than the sum of its proper divisors (50105533388520).

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

25046105661240 is a wasteful number, since it uses less digits than its factorization.

25046105661240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37005752 (or 37005748 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 25046105661240 in words is "twenty-five trillion, forty-six billion, one hundred five million, six hundred sixty-one thousand, two hundred forty".