338144760261 has 24 divisors (see below), whose sum is σ = 608953335744. Its totient is φ = 175659615360.

The previous prime is 338144760251. The next prime is 338144760269. The reversal of 338144760261 is 162067441833.

338144760261 is a `hidden beast` number, since 3 + 38 + 1 + 4 + 4 + 7 + 602 + 6 + 1 = 666.

It is not a de Polignac number, because 338144760261 - 2¹⁷ = 338144629189 is a prime.

It is a super-2 number, since 2×338144760261² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338144760269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 243970996 + ... + 243972381.

It is an arithmetic number, because the mean of its divisors is an integer number (25373055656).

Almost surely, 2^338144760261 is an apocalyptic number.

It is an amenable number.

338144760261 is a deficient number, since it is larger than the sum of its proper divisors (270808575483).

338144760261 is a wasteful number, since it uses less digits than its factorization.

338144760261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487943401 (or 487943398 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 338144760261 in words is "three hundred thirty-eight billion, one hundred forty-four million, seven hundred sixty thousand, two hundred sixty-one".