338007518421 has 8 divisors (see below), whose sum is σ = 454225327104. Its totient is φ = 223564027680.

The previous prime is 338007518413. The next prime is 338007518477. The reversal of 338007518421 is 124815700833.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 338007518421 - 2³ = 338007518413 is a prime.

It is a super-2 number, since 2×338007518421² (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 (338007518021) 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, 443579040 + ... + 443579801.

It is an arithmetic number, because the mean of its divisors is an integer number (56778165888).

Almost surely, 2^338007518421 is an apocalyptic number.

It is an amenable number.

338007518421 is a deficient number, since it is larger than the sum of its proper divisors (116217808683).

338007518421 is a wasteful number, since it uses less digits than its factorization.

338007518421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887158971.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 338007518421 in words is "three hundred thirty-eight billion, seven million, five hundred eighteen thousand, four hundred twenty-one".