361156493880 has 2048 divisors, whose sum is σ = 1709309952000. Its totient is φ = 65572208640.

The previous prime is 361156493879. The next prime is 361156493891. The reversal of 361156493880 is 88394651163.

361156493880 is a `hidden beast` number, since 3 + 61 + 15 + 6 + 493 + 8 + 80 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 984077457 + ... + 984077823.

It is an arithmetic number, because the mean of its divisors is an integer number (834624000).

Almost surely, 2^361156493880 is an apocalyptic number.

361156493880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 361156493880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (854654976000).

361156493880 is an abundant number, since it is smaller than the sum of its proper divisors (1348153458120).

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

361156493880 is a wasteful number, since it uses less digits than its factorization.

361156493880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 361156493880 in words is "three hundred sixty-one billion, one hundred fifty-six million, four hundred ninety-three thousand, eight hundred eighty".