376001640 has 192 divisors, whose sum is σ = 1470268800. Its totient is φ = 81409536.

The previous prime is 376001581. The next prime is 376001683. The reversal of 376001640 is 46100673.

376001640 is a `hidden beast` number, since 3 + 7 + 600 + 16 + 40 = 666.

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 47 ways as a sum of consecutive naturals, for example, 43954 + ... + 51806.

It is an arithmetic number, because the mean of its divisors is an integer number (7657650).

Almost surely, 2^376001640 is an apocalyptic number.

376001640 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 376001640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (735134400).

376001640 is an abundant number, since it is smaller than the sum of its proper divisors (1094267160).

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

376001640 is a wasteful number, since it uses less digits than its factorization.

376001640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7896 (or 7889 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 376001640 is about 19390.7617178903. The cubic root of 376001640 is about 721.7662654012.

The spelling of 376001640 in words is "three hundred seventy-six million, one thousand, six hundred forty".