838613740800000 has 2304 divisors, whose sum is σ = 3171630440160000. Its totient is φ = 195176038400000.

The previous prime is 838613740799999. The next prime is 838613740800041. The reversal of 838613740800000 is 8047316838.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1647571199746 + ... + 1647571200254.

It is an arithmetic number, because the mean of its divisors is an integer number (1376575711875).

Almost surely, 2^{838613740800000} is an apocalyptic number.

838613740800000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 838613740800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1585815220080000).

838613740800000 is an abundant number, since it is smaller than the sum of its proper divisors (2333016699360000).

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

838613740800000 is a wasteful number, since it uses less digits than its factorization.

838613740800000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 838613740800000 in words is "eight hundred thirty-eight trillion, six hundred thirteen billion, seven hundred forty million, eight hundred thousand".