14545618691940 has 192 divisors, whose sum is σ = 52773220416000. Its totient is φ = 3324712801536.

The previous prime is 14545618691873. The next prime is 14545618692037. The reversal of 14545618691940 is 4919681654541.

14545618691940 is a `hidden beast` number, since 1 + 4 + 5 + 4 + 5 + 618 + 6 + 9 + 1 + 9 + 4 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39080569 + ... + 39451008.

It is an arithmetic number, because the mean of its divisors is an integer number (274860523000).

Almost surely, 2^{14545618691940} is an apocalyptic number.

14545618691940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14545618691940 is an abundant number, since it is smaller than the sum of its proper divisors (38227601724060).

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

14545618691940 is a wasteful number, since it uses less digits than its factorization.

14545618691940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78531616 (or 78531594 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 63.

The spelling of 14545618691940 in words is "fourteen trillion, five hundred forty-five billion, six hundred eighteen million, six hundred ninety-one thousand, nine hundred forty".