380715540 has 96 divisors (see below), whose sum is σ = 1126016640. Its totient is φ = 95846400.

The previous prime is 380715539. The next prime is 380715611. The reversal of 380715540 is 45517083.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 593620 + ... + 594260.

It is an arithmetic number, because the mean of its divisors is an integer number (11729340).

Almost surely, 2^380715540 is an apocalyptic number.

380715540 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 380715540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563008320).

380715540 is an abundant number, since it is smaller than the sum of its proper divisors (745301100).

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

380715540 is a wasteful number, since it uses less digits than its factorization.

380715540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193 (or 1191 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 380715540 is about 19511.9332717186. The cubic root of 380715540 is about 724.7699880731.

The spelling of 380715540 in words is "three hundred eighty million, seven hundred fifteen thousand, five hundred forty".