25490946908736 has 105 divisors (see below), whose sum is σ = 75564229822851. Its totient is φ = 8496861130368.

The previous prime is 25490946908719. The next prime is 25490946908741. The reversal of 25490946908736 is 63780964909452.

The square root of 25490946908736 is 5048856.

It is a perfect power (a square), and thus also a powerful number.

25490946908736 is a `hidden beast` number, since 2 + 5 + 4 + 90 + 9 + 469 + 0 + 8 + 73 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 363482571 + ... + 363552693.

Almost surely, 2^{25490946908736} is an apocalyptic number.

25490946908736 is the 5048856-th square number.

It is an amenable number.

25490946908736 is an abundant number, since it is smaller than the sum of its proper divisors (50073282914115).

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

25490946908736 is an frugal number, since it uses more digits than its factorization.

25490946908736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140270 (or 70128 counting only the distinct ones).

The product of its (nonzero) digits is 705438720, while the sum is 72.

The spelling of 25490946908736 in words is "twenty-five trillion, four hundred ninety billion, nine hundred forty-six million, nine hundred eight thousand, seven hundred thirty-six".