16340505422940 has 36 divisors (see below), whose sum is σ = 49566199783464. Its totient is φ = 4357468112736.

The previous prime is 16340505422939. The next prime is 16340505423007. The reversal of 16340505422940 is 4922450504361.

16340505422940 is a `hidden beast` number, since 1 + 6 + 3 + 40 + 5 + 0 + 542 + 29 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45390292662 + ... + 45390293021.

It is an arithmetic number, because the mean of its divisors is an integer number (1376838882874).

Almost surely, 2^{16340505422940} is an apocalyptic number.

16340505422940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16340505422940 is an abundant number, since it is smaller than the sum of its proper divisors (33225694360524).

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

16340505422940 is a wasteful number, since it uses less digits than its factorization.

16340505422940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90780585698 (or 90780585693 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 16340505422940 in words is "sixteen trillion, three hundred forty billion, five hundred five million, four hundred twenty-two thousand, nine hundred forty".