338955974394 has 128 divisors (see below), whose sum is σ = 749626306560. Its totient is φ = 101698781184.

The previous prime is 338955974387. The next prime is 338955974429. The reversal of 338955974394 is 493479559833.

It is a super-2 number, since 2×338955974394² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 456198787 + ... + 456199529.

It is an arithmetic number, because the mean of its divisors is an integer number (5856455520).

Almost surely, 2^338955974394 is an apocalyptic number.

338955974394 is an abundant number, since it is smaller than the sum of its proper divisors (410670332166).

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

338955974394 is a wasteful number, since it uses less digits than its factorization.

338955974394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724.

The product of its digits is 440899200, while the sum is 69.

The spelling of 338955974394 in words is "three hundred thirty-eight billion, nine hundred fifty-five million, nine hundred seventy-four thousand, three hundred ninety-four".