381023895884 has 24 divisors (see below), whose sum is σ = 693064002288. Its totient is φ = 183129681600.

The previous prime is 381023895881. The next prime is 381023895907. The reversal of 381023895884 is 488598320183.

It is not an unprimeable number, because it can be changed into a prime (381023895881) 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, 15496667 + ... + 15521234.

It is an arithmetic number, because the mean of its divisors is an integer number (28877666762).

Almost surely, 2^381023895884 is an apocalyptic number.

It is an amenable number.

381023895884 is a deficient number, since it is larger than the sum of its proper divisors (312040106404).

381023895884 is a wasteful number, since it uses less digits than its factorization.

381023895884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31018025 (or 31018023 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 59.

The spelling of 381023895884 in words is "three hundred eighty-one billion, twenty-three million, eight hundred ninety-five thousand, eight hundred eighty-four".