15804040458 has 32 divisors (see below), whose sum is σ = 32299577856. Its totient is φ = 5153997168.

The previous prime is 15804040453. The next prime is 15804040459. The reversal of 15804040458 is 85404040851.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (15804040451) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 102760 + ... + 205347.

It is an arithmetic number, because the mean of its divisors is an integer number (1009361808).

Almost surely, 2^15804040458 is an apocalyptic number.

15804040458 is an abundant number, since it is smaller than the sum of its proper divisors (16495537398).

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

15804040458 is a wasteful number, since it uses less digits than its factorization.

15804040458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308298.

The product of its (nonzero) digits is 102400, while the sum is 39.

The spelling of 15804040458 in words is "fifteen billion, eight hundred four million, forty thousand, four hundred fifty-eight".