366546052440 has 256 divisors, whose sum is σ = 1233671040000. Its totient is φ = 96801122304.

The previous prime is 366546052393. The next prime is 366546052441. The reversal of 366546052440 is 44250645663.

It is a happy number.

366546052440 is a `hidden beast` number, since 3 + 6 + 65 + 4 + 60 + 524 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366546052441) 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, 64999141 + ... + 65004779.

It is an arithmetic number, because the mean of its divisors is an integer number (4819027500).

Almost surely, 2^366546052440 is an apocalyptic number.

366546052440 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 366546052440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (616835520000).

366546052440 is an abundant number, since it is smaller than the sum of its proper divisors (867124987560).

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

366546052440 is a wasteful number, since it uses less digits than its factorization.

366546052440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6231 (or 6221 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

The spelling of 366546052440 in words is "three hundred sixty-six billion, five hundred forty-six million, fifty-two thousand, four hundred forty".