25415796462 has 128 divisors (see below), whose sum is σ = 64594083840. Its totient is φ = 6502446720.

The previous prime is 25415796451. The next prime is 25415796473. The reversal of 25415796462 is 26469751452.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25415796451) and next prime (25415796473).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1051788 + ... + 1075680.

It is an arithmetic number, because the mean of its divisors is an integer number (504641280).

Almost surely, 2^25415796462 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25415796462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32297041920).

25415796462 is an abundant number, since it is smaller than the sum of its proper divisors (39178287378).

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

25415796462 is a wasteful number, since it uses less digits than its factorization.

25415796462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23998.

The product of its digits is 3628800, while the sum is 51.

The spelling of 25415796462 in words is "twenty-five billion, four hundred fifteen million, seven hundred ninety-six thousand, four hundred sixty-two".