25432666623452 has 48 divisors (see below), whose sum is σ = 49279044151680. Its totient is φ = 11387507947200.

The previous prime is 25432666623439. The next prime is 25432666623509.

25432666623452 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212110574 + ... + 212230442.

It is an arithmetic number, because the mean of its divisors is an integer number (1026646753160).

Almost surely, 2^{25432666623452} is an apocalyptic number.

25432666623452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25432666623452 is a deficient number, since it is larger than the sum of its proper divisors (23846377528228).

25432666623452 is a wasteful number, since it uses less digits than its factorization.

25432666623452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191922 (or 191920 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 56.

The spelling of 25432666623452 in words is "twenty-five trillion, four hundred thirty-two billion, six hundred sixty-six million, six hundred twenty-three thousand, four hundred fifty-two".