25759480 has 64 divisors (see below), whose sum is σ = 60328800. Its totient is φ = 9891840.

The previous prime is 25759477. The next prime is 25759499. The reversal of 25759480 is 8495752.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185251 + ... + 185389.

Almost surely, 2^25759480 is an apocalyptic number.

25759480 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 25759480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30164400).

25759480 is an abundant number, since it is smaller than the sum of its proper divisors (34569320).

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

25759480 is a wasteful number, since it uses less digits than its factorization.

25759480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 25759480 is about 5075.3797887449. The cubic root of 25759480 is about 295.3332631277. Note that the first 3 decimals are identical.

The spelling of 25759480 in words is "twenty-five million, seven hundred fifty-nine thousand, four hundred eighty".