15420314466 has 64 divisors (see below), whose sum is σ = 34780838400. Its totient is φ = 5063385600.

The previous prime is 15420314453. The next prime is 15420314467. The reversal of 15420314466 is 66441302451.

15420314466 is a `hidden beast` number, since 1 + 5 + 4 + 203 + 1 + 446 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 15420314466.

It is not an unprimeable number, because it can be changed into a prime (15420314467) 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 31 ways as a sum of consecutive naturals, for example, 1962706 + ... + 1970546.

It is an arithmetic number, because the mean of its divisors is an integer number (543450600).

Almost surely, 2^15420314466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15420314466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17390419200).

15420314466 is an abundant number, since it is smaller than the sum of its proper divisors (19360523934).

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

15420314466 is a wasteful number, since it uses less digits than its factorization.

15420314466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8392 (or 8386 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 15420314466 in words is "fifteen billion, four hundred twenty million, three hundred fourteen thousand, four hundred sixty-six".