366940846621440 has 3456 divisors, whose sum is σ = 1658300679705600. Its totient is φ = 76145299292160.

The previous prime is 366940846621439. The next prime is 366940846621457. The reversal of 366940846621440 is 44126648049663.

It is a happy number.

366940846621440 is a `hidden beast` number, since 3 + 6 + 6 + 9 + 408 + 4 + 6 + 6 + 214 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (3456).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 747333699595 + ... + 747333700085.

It is an arithmetic number, because the mean of its divisors is an integer number (479832372600).

Almost surely, 2^{366940846621440} is an apocalyptic number.

366940846621440 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 366940846621440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (829150339852800).

366940846621440 is an abundant number, since it is smaller than the sum of its proper divisors (1291359833084160).

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

366940846621440 is a wasteful number, since it uses less digits than its factorization.

366940846621440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040 (or 1013 counting only the distinct ones).

The product of its (nonzero) digits is 143327232, while the sum is 63.

The spelling of 366940846621440 in words is "three hundred sixty-six trillion, nine hundred forty billion, eight hundred forty-six million, six hundred twenty-one thousand, four hundred forty".