25476267652 has 48 divisors (see below), whose sum is σ = 51138601920. Its totient is φ = 10997481600.

The previous prime is 25476267647. The next prime is 25476267659. The reversal of 25476267652 is 25676267452.

It is a self number, because there is not a number n which added to its sum of digits gives 25476267652.

It is not an unprimeable number, because it can be changed into a prime (25476267659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85818 + ... + 241489.

It is an arithmetic number, because the mean of its divisors is an integer number (1065387540).

Almost surely, 2^25476267652 is an apocalyptic number.

25476267652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25476267652 is an abundant number, since it is smaller than the sum of its proper divisors (25662334268).

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

25476267652 is a wasteful number, since it uses less digits than its factorization.

25476267652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327412 (or 327410 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 52.

The spelling of 25476267652 in words is "twenty-five billion, four hundred seventy-six million, two hundred sixty-seven thousand, six hundred fifty-two".