338776261780 has 24 divisors (see below), whose sum is σ = 776105618400. Its totient is φ = 123191367840.

The previous prime is 338776261777. The next prime is 338776261781. The reversal of 338776261780 is 87162677833.

It is a super-2 number, since 2×338776261780² (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 (338776261781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769945830 + ... + 769946269.

It is an arithmetic number, because the mean of its divisors is an integer number (32337734100).

Almost surely, 2^338776261780 is an apocalyptic number.

It is an amenable number.

338776261780 is an abundant number, since it is smaller than the sum of its proper divisors (437329356620).

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

338776261780 is a wasteful number, since it uses less digits than its factorization.

338776261780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539892119 (or 1539892117 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 58.

The spelling of 338776261780 in words is "three hundred thirty-eight billion, seven hundred seventy-six million, two hundred sixty-one thousand, seven hundred eighty".