15430442454 has 48 divisors (see below), whose sum is σ = 38217903360. Its totient is φ = 4407637680.

The previous prime is 15430442389. The next prime is 15430442497. The reversal of 15430442454 is 45424403451.

15430442454 is a `hidden beast` number, since 1 + 543 + 0 + 44 + 24 + 54 = 666.

15430442454 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×15430442454³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 619167 + ... + 643605.

It is an arithmetic number, because the mean of its divisors is an integer number (796206320).

Almost surely, 2^15430442454 is an apocalyptic number.

15430442454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15430442454 is an abundant number, since it is smaller than the sum of its proper divisors (22787460906).

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

15430442454 is a wasteful number, since it uses less digits than its factorization.

15430442454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29465 (or 29462 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

The spelling of 15430442454 in words is "fifteen billion, four hundred thirty million, four hundred forty-two thousand, four hundred fifty-four".