25074621000 has 384 divisors, whose sum is σ = 99574151040. Its totient is φ = 5610816000.

The previous prime is 25074620993. The next prime is 25074621017. The reversal of 25074621000 is 12647052.

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, 1277259 + ... + 1296741.

It is an arithmetic number, because the mean of its divisors is an integer number (259307685).

Almost surely, 2^25074621000 is an apocalyptic number.

25074621000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25074621000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49787075520).

25074621000 is an abundant number, since it is smaller than the sum of its proper divisors (74499530040).

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

25074621000 is a wasteful number, since it uses less digits than its factorization.

25074621000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19534 (or 19517 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The spelling of 25074621000 in words is "twenty-five billion, seventy-four million, six hundred twenty-one thousand".