379636140 has 48 divisors (see below), whose sum is σ = 1144751328. Its totient is φ = 93448704.

The previous prime is 379636133. The next prime is 379636141. The reversal of 379636140 is 41636973.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (379636141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242577 + ... + 244136.

It is an arithmetic number, because the mean of its divisors is an integer number (23848986).

Almost surely, 2^379636140 is an apocalyptic number.

379636140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

379636140 is an abundant number, since it is smaller than the sum of its proper divisors (765115188).

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

379636140 is a wasteful number, since it uses less digits than its factorization.

379636140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486738 (or 486736 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 379636140 is about 19484.2536423646. The cubic root of 379636140 is about 724.0843867533.

The spelling of 379636140 in words is "three hundred seventy-nine million, six hundred thirty-six thousand, one hundred forty".