1373638296800 has 288 divisors, whose sum is σ = 4315727775744. Its totient is φ = 414335232000.

The previous prime is 1373638296697. The next prime is 1373638296803. The reversal of 1373638296800 is 86928363731.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373638296803) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1549934 + ... + 2269266.

It is an arithmetic number, because the mean of its divisors is an integer number (14985165888).

Almost surely, 2^{1373638296800} is an apocalyptic number.

1373638296800 is a gapful number since it is divisible by the number (10) 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 1373638296800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2157863887872).

1373638296800 is an abundant number, since it is smaller than the sum of its proper divisors (2942089478944).

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

1373638296800 is a wasteful number, since it uses less digits than its factorization.

1373638296800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719402 (or 719389 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 1373638296800 in words is "one trillion, three hundred seventy-three billion, six hundred thirty-eight million, two hundred ninety-six thousand, eight hundred".