376446640 has 80 divisors (see below), whose sum is σ = 956724480. Its totient is φ = 137134080.

The previous prime is 376446599. The next prime is 376446659. The reversal of 376446640 is 46644673.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 376446593 and 376446602.

It is an unprimeable number.

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, 37696 + ... + 46624.

It is an arithmetic number, because the mean of its divisors is an integer number (11959056).

Almost surely, 2^376446640 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 376446640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478362240).

376446640 is an abundant number, since it is smaller than the sum of its proper divisors (580277840).

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

376446640 is a wasteful number, since it uses less digits than its factorization.

376446640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8990 (or 8984 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 40.

The square root of 376446640 is about 19402.2328611941. The cubic root of 376446640 is about 722.0508912545.

The spelling of 376446640 in words is "three hundred seventy-six million, four hundred forty-six thousand, six hundred forty".