381783606952 has 64 divisors (see below), whose sum is σ = 791827752960. Its totient is φ = 171115545600.

The previous prime is 381783606947. The next prime is 381783606973. The reversal of 381783606952 is 259606387183.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40858393 + ... + 40867735.

It is an arithmetic number, because the mean of its divisors is an integer number (12372308640).

Almost surely, 2^381783606952 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 381783606952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395913876480).

381783606952 is an abundant number, since it is smaller than the sum of its proper divisors (410044146008).

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

381783606952 is a wasteful number, since it uses less digits than its factorization.

381783606952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15794 (or 15790 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 381783606952 in words is "three hundred eighty-one billion, seven hundred eighty-three million, six hundred six thousand, nine hundred fifty-two".