374821440 has 336 divisors, whose sum is σ = 1452262272. Its totient is φ = 80216064.

The previous prime is 374821439. The next prime is 374821529. The reversal of 374821440 is 44128473.

It is a tau number, because it is divible by the number of its divisors (336).

It is a super-2 number, since 2×374821440² = 280982223767347200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1941984 + ... + 1942176.

Almost surely, 2^374821440 is an apocalyptic number.

374821440 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 374821440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (726131136).

374821440 is an abundant number, since it is smaller than the sum of its proper divisors (1077440832).

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

374821440 is a wasteful number, since it uses less digits than its factorization.

374821440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 374821440 is about 19360.3057827091. The cubic root of 374821440 is about 721.0103100564.

The spelling of 374821440 in words is "three hundred seventy-four million, eight hundred twenty-one thousand, four hundred forty".