25430457000 has 128 divisors (see below), whose sum is σ = 85446466560. Its totient is φ = 6259795200.

The previous prime is 25430456999. The next prime is 25430457047. The reversal of 25430457000 is 75403452.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 287032 + ... + 365031.

It is an arithmetic number, because the mean of its divisors is an integer number (667550520).

Almost surely, 2^25430457000 is an apocalyptic number.

25430457000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25430457000 is an abundant number, since it is smaller than the sum of its proper divisors (60016009560).

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

25430457000 is a wasteful number, since it uses less digits than its factorization.

25430457000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652100 (or 652086 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The spelling of 25430457000 in words is "twenty-five billion, four hundred thirty million, four hundred fifty-seven thousand".