25402466420452 has 36 divisors (see below), whose sum is σ = 48996150810880. Its totient is φ = 11515113506160.

The previous prime is 25402466420407. The next prime is 25402466420459.

25402466420452 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (25402466420459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71327052 + ... + 71682307.

Almost surely, 2^{25402466420452} is an apocalyptic number.

25402466420452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25402466420452 is a deficient number, since it is larger than the sum of its proper divisors (23593684390428).

25402466420452 is a wasteful number, since it uses less digits than its factorization.

25402466420452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143009752 (or 143009739 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 46.

It can be divided in two parts, 2540246 and 6420452, that added together give a palindrome (8960698).

The spelling of 25402466420452 in words is "twenty-five trillion, four hundred two billion, four hundred sixty-six million, four hundred twenty thousand, four hundred fifty-two".