381518795224 has 64 divisors (see below), whose sum is σ = 868451189760. Its totient is φ = 153388546560.

The previous prime is 381518795221. The next prime is 381518795249. The reversal of 381518795224 is 422597815183.

It is a super-2 number, since 2×381518795224² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381518795221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360432 + ... + 944959.

It is an arithmetic number, because the mean of its divisors is an integer number (13569549840).

Almost surely, 2^381518795224 is an apocalyptic number.

381518795224 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

381518795224 is an abundant number, since it is smaller than the sum of its proper divisors (486932394536).

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

381518795224 is a wasteful number, since it uses less digits than its factorization.

381518795224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305728 (or 1305724 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 55.

The spelling of 381518795224 in words is "three hundred eighty-one billion, five hundred eighteen million, seven hundred ninety-five thousand, two hundred twenty-four".