25350235420 has 12 divisors (see below), whose sum is σ = 53235494424. Its totient is φ = 10140094160.

The previous prime is 25350235411. The next prime is 25350235483. The reversal of 25350235420 is 2453205352.

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, 633755866 + ... + 633755905.

It is an arithmetic number, because the mean of its divisors is an integer number (4436291202).

Almost surely, 2^25350235420 is an apocalyptic number.

25350235420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25350235420 is an abundant number, since it is smaller than the sum of its proper divisors (27885259004).

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

25350235420 is a wasteful number, since it uses less digits than its factorization.

25350235420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267511780 (or 1267511778 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

The spelling of 25350235420 in words is "twenty-five billion, three hundred fifty million, two hundred thirty-five thousand, four hundred twenty".