25276213780 has 24 divisors (see below), whose sum is σ = 53277383880. Its totient is φ = 10072897920.

The previous prime is 25276213771. The next prime is 25276213783. The reversal of 25276213780 is 8731267252.

It can be written as a sum of positive squares in 4 ways, for example, as 53056656 + 25223157124 = 7284^2 + 158818^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25276213783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2343711 + ... + 2354470.

It is an arithmetic number, because the mean of its divisors is an integer number (2219890995).

Almost surely, 2^25276213780 is an apocalyptic number.

25276213780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25276213780 is an abundant number, since it is smaller than the sum of its proper divisors (28001170100).

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

25276213780 is a wasteful number, since it uses less digits than its factorization.

25276213780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4698459 (or 4698457 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 25276213780 in words is "twenty-five billion, two hundred seventy-six million, two hundred thirteen thousand, seven hundred eighty".