25627629240 has 48 divisors (see below), whose sum is σ = 83289796200. Its totient is φ = 6834034368.

The previous prime is 25627629221. The next prime is 25627629271. The reversal of 25627629240 is 4292672652.

25627629240 is a `hidden beast` number, since 2 + 56 + 276 + 292 + 40 = 666.

It is a super-3 number, since 3×25627629240³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35593570 + ... + 35594289.

Almost surely, 2^25627629240 is an apocalyptic number.

25627629240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25627629240 is an abundant number, since it is smaller than the sum of its proper divisors (57662166960).

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

25627629240 is a wasteful number, since it uses less digits than its factorization.

25627629240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71187876 (or 71187869 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 25627629240 in words is "twenty-five billion, six hundred twenty-seven million, six hundred twenty-nine thousand, two hundred forty".