25407480 has 192 divisors, whose sum is σ = 92340000. Its totient is φ = 5569536.

The previous prime is 25407463. The next prime is 25407491. The reversal of 25407480 is 8470452.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 170446 + ... + 170594.

Almost surely, 2^25407480 is an apocalyptic number.

25407480 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 25407480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46170000).

25407480 is an abundant number, since it is smaller than the sum of its proper divisors (66932520).

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

25407480 is a wasteful number, since it uses less digits than its factorization.

25407480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 25407480 is about 5040.5832995795. The cubic root of 25407480 is about 293.9818582910.

The spelling of 25407480 in words is "twenty-five million, four hundred seven thousand, four hundred eighty".