15420504630 has 32 divisors (see below), whose sum is σ = 37012482144. Its totient is φ = 4111771136.

The previous prime is 15420504613. The next prime is 15420504667. The reversal of 15420504630 is 3640502451.

15420504630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 627454 + ... + 651566.

It is an arithmetic number, because the mean of its divisors is an integer number (1156640067).

Almost surely, 2^15420504630 is an apocalyptic number.

15420504630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15420504630 is an abundant number, since it is smaller than the sum of its proper divisors (21591977514).

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

15420504630 is a wasteful number, since it uses less digits than its factorization.

15420504630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45440.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 15420504630 in words is "fifteen billion, four hundred twenty million, five hundred four thousand, six hundred thirty".