25038867420 has 480 divisors, whose sum is σ = 92734709760. Its totient is φ = 5537134080.

The previous prime is 25038867391. The next prime is 25038867473. The reversal of 25038867420 is 2476883052.

25038867420 is a `hidden beast` number, since 2 + 503 + 88 + 67 + 4 + 2 + 0 = 666.

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 159 ways as a sum of consecutive naturals, for example, 58094605 + ... + 58095035.

It is an arithmetic number, because the mean of its divisors is an integer number (193197312).

Almost surely, 2^25038867420 is an apocalyptic number.

25038867420 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 25038867420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46367354880).

25038867420 is an abundant number, since it is smaller than the sum of its proper divisors (67695842340).

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

25038867420 is a wasteful number, since it uses less digits than its factorization.

25038867420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 25038867420 in words is "twenty-five billion, thirty-eight million, eight hundred sixty-seven thousand, four hundred twenty".