1374794942400 has 672 divisors, whose sum is σ = 5501091360000. Its totient is φ = 331220275200.

The previous prime is 1374794942399. The next prime is 1374794942407. The reversal of 1374794942400 is 42494974731.

It is a happy number.

1374794942400 is a `hidden beast` number, since 13 + 74 + 79 + 4 + 94 + 2 + 400 = 666.

It is a super-2 number, since 2×1374794942400² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374794942407) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 77448726 + ... + 77466474.

Almost surely, 2^{1374794942400} is an apocalyptic number.

1374794942400 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 1374794942400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2750545680000).

1374794942400 is an abundant number, since it is smaller than the sum of its proper divisors (4126296417600).

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

1374794942400 is a wasteful number, since it uses less digits than its factorization.

1374794942400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17954 (or 17933 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 1374794942400 in words is "one trillion, three hundred seventy-four billion, seven hundred ninety-four million, nine hundred forty-two thousand, four hundred".