361465361838 has 128 divisors (see below), whose sum is σ = 954914688000. Its totient is φ = 99163128960.

The previous prime is 361465361833. The next prime is 361465361839. The reversal of 361465361838 is 838163564163.

361465361838 is a `hidden beast` number, since 3 + 6 + 14 + 6 + 5 + 3 + 618 + 3 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361465361833) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1893033 + ... + 2075211.

It is an arithmetic number, because the mean of its divisors is an integer number (7460271000).

Almost surely, 2^361465361838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 361465361838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (477457344000).

361465361838 is an abundant number, since it is smaller than the sum of its proper divisors (593449326162).

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

361465361838 is a wasteful number, since it uses less digits than its factorization.

361465361838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182407 (or 182401 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 361465361838 in words is "three hundred sixty-one billion, four hundred sixty-five million, three hundred sixty-one thousand, eight hundred thirty-eight".