25400573000 has 256 divisors, whose sum is σ = 67251824640. Its totient is φ = 8899296000.

The previous prime is 25400572999. The next prime is 25400573017. The reversal of 25400573000 is 37500452.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39258677 + ... + 39259323.

It is an arithmetic number, because the mean of its divisors is an integer number (262702440).

Almost surely, 2^25400573000 is an apocalyptic number.

25400573000 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 25400573000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33625912320).

25400573000 is an abundant number, since it is smaller than the sum of its proper divisors (41851251640).

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

25400573000 is a wasteful number, since it uses less digits than its factorization.

25400573000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The spelling of 25400573000 in words is "twenty-five billion, four hundred million, five hundred seventy-three thousand".