338889720780 has 144 divisors (see below), whose sum is σ = 1141664297760. Its totient is φ = 83418985728.

The previous prime is 338889720761. The next prime is 338889720797. The reversal of 338889720780 is 87027988833.

338889720780 is a `hidden beast` number, since 338 + 8 + 8 + 97 + 207 + 8 + 0 = 666.

It is a super-2 number, since 2×338889720780² (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 47 ways as a sum of consecutive naturals, for example, 1765467 + ... + 1947986.

It is an arithmetic number, because the mean of its divisors is an integer number (7928224290).

Almost surely, 2^338889720780 is an apocalyptic number.

338889720780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

338889720780 is an abundant number, since it is smaller than the sum of its proper divisors (802774576980).

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

338889720780 is a wasteful number, since it uses less digits than its factorization.

338889720780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3713497 (or 3713476 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 63.

The spelling of 338889720780 in words is "three hundred thirty-eight billion, eight hundred eighty-nine million, seven hundred twenty thousand, seven hundred eighty".