380139480 has 384 divisors, whose sum is σ = 1513774080. Its totient is φ = 83980800.

The previous prime is 380139449. The next prime is 380139491. The reversal of 380139480 is 84931083.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2517405 + ... + 2517555.

It is an arithmetic number, because the mean of its divisors is an integer number (3942120).

Almost surely, 2^380139480 is an apocalyptic number.

380139480 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 380139480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (756887040).

380139480 is an abundant number, since it is smaller than the sum of its proper divisors (1133634600).

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

380139480 is a wasteful number, since it uses less digits than its factorization.

380139480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 380139480 is about 19497.1659479012. The cubic root of 380139480 is about 724.4042541580.

The spelling of 380139480 in words is "three hundred eighty million, one hundred thirty-nine thousand, four hundred eighty".