380539760640 has 624 divisors, whose sum is σ = 1340567630208. Its totient is φ = 92104556544.

The previous prime is 380539760621. The next prime is 380539760641. The reversal of 380539760640 is 46067935083.

It is a tau number, because it is divible by the number of its divisors (624).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380539760641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 695684847 + ... + 695685393.

Almost surely, 2^380539760640 is an apocalyptic number.

380539760640 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 380539760640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670283815104).

380539760640 is an abundant number, since it is smaller than the sum of its proper divisors (960027869568).

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

380539760640 is a wasteful number, since it uses less digits than its factorization.

380539760640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 380539760640 in words is "three hundred eighty billion, five hundred thirty-nine million, seven hundred sixty thousand, six hundred forty".