1466940136320 has 128 divisors (see below), whose sum is σ = 5195413044000. Its totient is φ = 391184031744.

The previous prime is 1466940136309. The next prime is 1466940136327. The reversal of 1466940136320 is 236310496641.

1466940136320 is a `hidden beast` number, since 1 + 4 + 6 + 6 + 9 + 4 + 0 + 1 + 3 + 632 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

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 (1466940136327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42428905 + ... + 42463464.

Almost surely, 2^{1466940136320} is an apocalyptic number.

1466940136320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1466940136320 is an abundant number, since it is smaller than the sum of its proper divisors (3728472907680).

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

1466940136320 is an equidigital number, since it uses as much as digits as its factorization.

1466940136320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84892397 (or 84892379 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 1466940136320 in words is "one trillion, four hundred sixty-six billion, nine hundred forty million, one hundred thirty-six thousand, three hundred twenty".