25768480 has 24 divisors (see below), whose sum is σ = 60878412. Its totient is φ = 10307328.

The previous prime is 25768469. The next prime is 25768499. The reversal of 25768480 is 8486752.

It can be written as a sum of positive squares in 2 ways, for example, as 25765776 + 2704 = 5076^2 + 52^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80367 + ... + 80686.

Almost surely, 2^25768480 is an apocalyptic number.

25768480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25768480 is an abundant number, since it is smaller than the sum of its proper divisors (35109932).

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

25768480 is a wasteful number, since it uses less digits than its factorization.

25768480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161068 (or 161060 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 25768480 is about 5076.2663444701. The cubic root of 25768480 is about 295.3676542189.

The spelling of 25768480 in words is "twenty-five million, seven hundred sixty-eight thousand, four hundred eighty".