379021440 has 128 divisors (see below), whose sum is σ = 1380769920. Its totient is φ = 86630400.

The previous prime is 379021417. The next prime is 379021453. The reversal of 379021440 is 44120973.

It is a happy number.

379021440 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 379021398 and 379021407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 661 + ... + 27540.

It is an arithmetic number, because the mean of its divisors is an integer number (10787265).

Almost surely, 2^379021440 is an apocalyptic number.

379021440 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 379021440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (690384960).

379021440 is an abundant number, since it is smaller than the sum of its proper divisors (1001748480).

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

379021440 is a wasteful number, since it uses less digits than its factorization.

379021440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28230 (or 28218 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 379021440 is about 19468.4729755572. The cubic root of 379021440 is about 723.6933675011.

The spelling of 379021440 in words is "three hundred seventy-nine million, twenty-one thousand, four hundred forty".