25562002796 has 18 divisors (see below), whose sum is σ = 48802211892. Its totient is φ = 11618610120.

The previous prime is 25562002793. The next prime is 25562002813. The reversal of 25562002796 is 69720026552.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (25562002793) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1048481 + ... + 1072583.

It is an arithmetic number, because the mean of its divisors is an integer number (2711233994).

Almost surely, 2^25562002796 is an apocalyptic number.

It is an amenable number.

25562002796 is a deficient number, since it is larger than the sum of its proper divisors (23240209096).

25562002796 is an frugal number, since it uses more digits than its factorization.

25562002796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48221 (or 24116 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 44.

Multiplying 25562002796 by its sum of digits (44), we get a square (1124728123024 = 1060532²).

25562002796 divided by its sum of digits (44) gives a square (580954609 = 24103²).

The spelling of 25562002796 in words is "twenty-five billion, five hundred sixty-two million, two thousand, seven hundred ninety-six".