25469296776 has 768 divisors, whose sum is σ = 99283968000. Its totient is φ = 5884876800.

The previous prime is 25469296771. The next prime is 25469296799. The reversal of 25469296776 is 67769296452.

25469296776 is a `hidden beast` number, since 2 + 546 + 9 + 29 + 67 + 7 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

Its product of digits (68584320) is a multiple of the sum of its prime divisors (490).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25469296771) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 59093281 + ... + 59093711.

It is an arithmetic number, because the mean of its divisors is an integer number (129276000).

Almost surely, 2^25469296776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25469296776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49641984000).

25469296776 is an abundant number, since it is smaller than the sum of its proper divisors (73814671224).

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

25469296776 is a wasteful number, since it uses less digits than its factorization.

25469296776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 490 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 63.

The spelling of 25469296776 in words is "twenty-five billion, four hundred sixty-nine million, two hundred ninety-six thousand, seven hundred seventy-six".