376391540 has 72 divisors (see below), whose sum is σ = 923892480. Its totient is φ = 128428608.

The previous prime is 376391537. The next prime is 376391569. The reversal of 376391540 is 45193673.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 376391494 and 376391503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 233417 + ... + 235023.

It is an arithmetic number, because the mean of its divisors is an integer number (12831840).

Almost surely, 2^376391540 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 376391540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (461946240).

376391540 is an abundant number, since it is smaller than the sum of its proper divisors (547500940).

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

376391540 is a wasteful number, since it uses less digits than its factorization.

376391540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869 (or 1860 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 376391540 is about 19400.8128695681. The cubic root of 376391540 is about 722.0156609889.

The spelling of 376391540 in words is "three hundred seventy-six million, three hundred ninety-one thousand, five hundred forty".