25152081450 has 48 divisors (see below), whose sum is σ = 62512058496. Its totient is φ = 6692716800.

The previous prime is 25152081413. The next prime is 25152081463. The reversal of 25152081450 is 5418025152.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111631 + ... + 250530.

It is an arithmetic number, because the mean of its divisors is an integer number (1302334552).

Almost surely, 2^25152081450 is an apocalyptic number.

25152081450 is an abundant number, since it is smaller than the sum of its proper divisors (37359977046).

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

25152081450 is a wasteful number, since it uses less digits than its factorization.

25152081450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362639 (or 362634 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 33.

The spelling of 25152081450 in words is "twenty-five billion, one hundred fifty-two million, eighty-one thousand, four hundred fifty".