374997399840 has 360 divisors, whose sum is σ = 1492883332668. Its totient is φ = 85712901120.

The previous prime is 374997399817. The next prime is 374997399863. The reversal of 374997399840 is 48993799473.

It is a happy number.

374997399840 is a `hidden beast` number, since 3 + 7 + 499 + 7 + 3 + 9 + 98 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (374997399817) and next prime (374997399863).

It can be written as a sum of positive squares in 2 ways, for example, as 343672647696 + 31324752144 = 586236^2 + 176988^2 .

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (72).

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 59 ways as a sum of consecutive naturals, for example, 3403210 + ... + 3511670.

Almost surely, 2^374997399840 is an apocalyptic number.

374997399840 is a gapful number since it is divisible by the number (30) 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 374997399840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (746441666334).

374997399840 is an abundant number, since it is smaller than the sum of its proper divisors (1117885932828).

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

374997399840 is a wasteful number, since it uses less digits than its factorization.

374997399840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108510 (or 108478 counting only the distinct ones).

The product of its (nonzero) digits is 370355328, while the sum is 72.

The spelling of 374997399840 in words is "three hundred seventy-four billion, nine hundred ninety-seven million, three hundred ninety-nine thousand, eight hundred forty".