25479090000 has 1600 divisors, whose sum is σ = 121047252480. Its totient is φ = 4976640000.

The previous prime is 25479089989. The next prime is 25479090001. The reversal of 25479090000 is 9097452.

It is a hoax number, since the sum of its digits (36) 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 (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25479090001) by changing a digit.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 417689970 + ... + 417690030.

Almost surely, 2^25479090000 is an apocalyptic number.

25479090000 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 25479090000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60523626240).

25479090000 is an abundant number, since it is smaller than the sum of its proper divisors (95568162480).

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

25479090000 is a wasteful number, since it uses less digits than its factorization.

25479090000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 25479090000 in words is "twenty-five billion, four hundred seventy-nine million, ninety thousand".