338870553520 has 20 divisors (see below), whose sum is σ = 787874037120. Its totient is φ = 135548221376.

The previous prime is 338870553509. The next prime is 338870553557. The reversal of 338870553520 is 25355078833.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×338870553520² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2117940880 + ... + 2117941039.

It is an arithmetic number, because the mean of its divisors is an integer number (39393701856).

Almost surely, 2^338870553520 is an apocalyptic number.

It is an amenable number.

338870553520 is an abundant number, since it is smaller than the sum of its proper divisors (449003483600).

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

338870553520 is a wasteful number, since it uses less digits than its factorization.

338870553520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4235881932 (or 4235881926 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 49.

The spelling of 338870553520 in words is "three hundred thirty-eight billion, eight hundred seventy million, five hundred fifty-three thousand, five hundred twenty".