1378650792960 has 440 divisors, whose sum is σ = 5646074702400. Its totient is φ = 315119517696.

The previous prime is 1378650792949. The next prime is 1378650793001. The reversal of 1378650792960 is 692970568731.

1378650792960 is a `hidden beast` number, since 1 + 37 + 8 + 6 + 507 + 9 + 2 + 96 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2665591 + ... + 3140489.

It is an arithmetic number, because the mean of its divisors is an integer number (12831987960).

Almost surely, 2^{1378650792960} is an apocalyptic number.

1378650792960 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 1378650792960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2823037351200).

1378650792960 is an abundant number, since it is smaller than the sum of its proper divisors (4267423909440).

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

1378650792960 is an equidigital number, since it uses as much as digits as its factorization.

1378650792960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474943 (or 474916 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 63.

The spelling of 1378650792960 in words is "one trillion, three hundred seventy-eight billion, six hundred fifty million, seven hundred ninety-two thousand, nine hundred sixty".