361394547920 has 160 divisors (see below), whose sum is σ = 1019766516480. Its totient is φ = 116346101760.

The previous prime is 361394547911. The next prime is 361394547937. The reversal of 361394547920 is 29745493163.

It is a Cunningham number, because it is equal to 601161²-1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1052030 + ... + 1352610.

It is an arithmetic number, because the mean of its divisors is an integer number (6373540728).

Almost surely, 2^361394547920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 361394547920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509883258240).

361394547920 is an abundant number, since it is smaller than the sum of its proper divisors (658371968560).

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

361394547920 is a wasteful number, since it uses less digits than its factorization.

361394547920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300733 (or 300727 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 53.

The spelling of 361394547920 in words is "three hundred sixty-one billion, three hundred ninety-four million, five hundred forty-seven thousand, nine hundred twenty".