1374271778400 has 576 divisors, whose sum is σ = 4884704858880. Its totient is φ = 334430208000.

The previous prime is 1374271778339. The next prime is 1374271778437. The reversal of 1374271778400 is 48771724731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 143133600 + ... + 143143200.

It is an arithmetic number, because the mean of its divisors is an integer number (8480390380).

Almost surely, 2^{1374271778400} is an apocalyptic number.

1374271778400 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 1374271778400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2442352429440).

1374271778400 is an abundant number, since it is smaller than the sum of its proper divisors (3510433080480).

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

1374271778400 is a wasteful number, since it uses less digits than its factorization.

1374271778400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9759 (or 9746 counting only the distinct ones).

The product of its (nonzero) digits is 1843968, while the sum is 51.

The spelling of 1374271778400 in words is "one trillion, three hundred seventy-four billion, two hundred seventy-one million, seven hundred seventy-eight thousand, four hundred".