338988953940 has 192 divisors, whose sum is σ = 1199781993984. Its totient is φ = 69589850112.

The previous prime is 338988953923. The next prime is 338988954011. The reversal of 338988953940 is 49359889833.

It is a super-2 number, since 2×338988953940² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 636979 + ... + 1041018.

It is an arithmetic number, because the mean of its divisors is an integer number (6248864552).

Almost surely, 2^338988953940 is an apocalyptic number.

338988953940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

338988953940 is an abundant number, since it is smaller than the sum of its proper divisors (860793040044).

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

338988953940 is a wasteful number, since it uses less digits than its factorization.

338988953940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678066 (or 1678064 counting only the distinct ones).

The product of its (nonzero) digits is 201553920, while the sum is 69.

The spelling of 338988953940 in words is "three hundred thirty-eight billion, nine hundred eighty-eight million, nine hundred fifty-three thousand, nine hundred forty".