25462135420 has 12 divisors (see below), whose sum is σ = 53470484424. Its totient is φ = 10184854160.

The previous prime is 25462135409. The next prime is 25462135469. The reversal of 25462135420 is 2453126452.

It is a congruent number.

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, 636553366 + ... + 636553405.

It is an arithmetic number, because the mean of its divisors is an integer number (4455873702).

Almost surely, 2^25462135420 is an apocalyptic number.

25462135420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25462135420 is an abundant number, since it is smaller than the sum of its proper divisors (28008349004).

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

25462135420 is a wasteful number, since it uses less digits than its factorization.

25462135420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273106780 (or 1273106778 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 25462135420 in words is "twenty-five billion, four hundred sixty-two million, one hundred thirty-five thousand, four hundred twenty".