14192978450 has 48 divisors (see below), whose sum is σ = 31210591680. Its totient is φ = 4698361920.

The previous prime is 14192978447. The next prime is 14192978489. The reversal of 14192978450 is 5487929141.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (50).

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 23 ways as a sum of consecutive naturals, for example, 689012 + ... + 709311.

It is an arithmetic number, because the mean of its divisors is an integer number (650220660).

Almost surely, 2^14192978450 is an apocalyptic number.

14192978450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14192978450 is an abundant number, since it is smaller than the sum of its proper divisors (17017613230).

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

14192978450 is a wasteful number, since it uses less digits than its factorization.

14192978450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398371 (or 1398366 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 14192978450 in words is "fourteen billion, one hundred ninety-two million, nine hundred seventy-eight thousand, four hundred fifty".