377320840 has 128 divisors (see below), whose sum is σ = 958003200. Its totient is φ = 132802560.

The previous prime is 377320799. The next prime is 377320859. The reversal of 377320840 is 48023773.

It is a junction number, because it is equal to n+sod(n) for n = 377320796 and 377320805.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1434549 + ... + 1434811.

It is an arithmetic number, because the mean of its divisors is an integer number (7484400).

Almost surely, 2^377320840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 377320840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (479001600).

377320840 is an abundant number, since it is smaller than the sum of its proper divisors (580682360).

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

377320840 is a wasteful number, since it uses less digits than its factorization.

377320840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 377320840 is about 19424.7481322153. The cubic root of 377320840 is about 722.6093846670.

The spelling of 377320840 in words is "three hundred seventy-seven million, three hundred twenty thousand, eight hundred forty".