381380613560 has 32 divisors (see below), whose sum is σ = 887696258400. Its totient is φ = 147291822720.

The previous prime is 381380613557. The next prime is 381380613569. The reversal of 381380613560 is 65316083183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381380613569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164387036 + ... + 164389355.

It is an arithmetic number, because the mean of its divisors is an integer number (27740508075).

Almost surely, 2^381380613560 is an apocalyptic number.

It is an amenable number.

381380613560 is an abundant number, since it is smaller than the sum of its proper divisors (506315644840).

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

381380613560 is a wasteful number, since it uses less digits than its factorization.

381380613560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328776431 (or 328776427 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 381380613560 in words is "three hundred eighty-one billion, three hundred eighty million, six hundred thirteen thousand, five hundred sixty".