25240409451408 has 40 divisors (see below), whose sum is σ = 65260456911648. Its totient is φ = 8406235516672.

The previous prime is 25240409451379. The next prime is 25240409451497. The reversal of 25240409451408 is 80415490404252.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226015485 + ... + 226127132.

Almost surely, 2^{25240409451408} is an apocalyptic number.

It is an amenable number.

25240409451408 is an abundant number, since it is smaller than the sum of its proper divisors (40020047460240).

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

25240409451408 is a wasteful number, since it uses less digits than its factorization.

25240409451408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452143791 (or 452143785 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 48.

The spelling of 25240409451408 in words is "twenty-five trillion, two hundred forty billion, four hundred nine million, four hundred fifty-one thousand, four hundred eight".