254636636452 has 36 divisors (see below), whose sum is σ = 490525026768. Its totient is φ = 115574311600.

The previous prime is 254636636417. The next prime is 254636636473.

254636636452 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 254636636452.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54574 + ... + 715717.

It is an arithmetic number, because the mean of its divisors is an integer number (13625695188).

Almost surely, 2^254636636452 is an apocalyptic number.

254636636452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

254636636452 is a deficient number, since it is larger than the sum of its proper divisors (235888390316).

254636636452 is a wasteful number, since it uses less digits than its factorization.

254636636452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771000 (or 770987 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 52.

The spelling of 254636636452 in words is "two hundred fifty-four billion, six hundred thirty-six million, six hundred thirty-six thousand, four hundred fifty-two".