255202254738 has 162 divisors, whose sum is σ = 600869581767. Its totient is φ = 78272512560.

The previous prime is 255202254719. The next prime is 255202254767. The reversal of 255202254738 is 837452202552.

255202254738 is a `hidden beast` number, since 2 + 5 + 52 + 0 + 22 + 547 + 38 = 666.

It can be written as a sum of positive squares in only one way, i.e., 127601127369 + 127601127369 = 357213^2 + 357213^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=357213.

It is a junction number, because it is equal to n+sod(n) for n = 255202254693 and 255202254702.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1528157131 + ... + 1528157297.

Almost surely, 2^255202254738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255202254738

255202254738 is an abundant number, since it is smaller than the sum of its proper divisors (345667327029).

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

255202254738 is a wasteful number, since it uses less digits than its factorization.

255202254738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 45.

The spelling of 255202254738 in words is "two hundred fifty-five billion, two hundred two million, two hundred fifty-four thousand, seven hundred thirty-eight".