381022597152 has 54 divisors (see below), whose sum is σ = 1083562800957. Its totient is φ = 127004040576.

The previous prime is 381022597141. The next prime is 381022597159. The reversal of 381022597152 is 251795220183.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

381022597152 is a `hidden beast` number, since 3 + 8 + 1 + 0 + 2 + 2 + 597 + 1 + 52 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 369027090576 + 11995506576 = 607476^2 + 109524^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=436476.

It is a super-2 number, since 2×381022597152² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 381022597098 and 381022597107.

It is not an unprimeable number, because it can be changed into a prime (381022597159) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10457238 + ... + 10493610.

Almost surely, 2^381022597152 is an apocalyptic number.

381022597152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

381022597152 is an abundant number, since it is smaller than the sum of its proper divisors (702540203805).

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

381022597152 is an frugal number, since it uses more digits than its factorization.

381022597152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72762 (or 36378 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 381022597152 in words is "three hundred eighty-one billion, twenty-two million, five hundred ninety-seven thousand, one hundred fifty-two".