15427457430 has 160 divisors (see below), whose sum is σ = 47123486208. Its totient is φ = 3205540800.

The previous prime is 15427457429. The next prime is 15427457431. The reversal of 15427457430 is 3475472451.

15427457430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15427457429) and next prime (15427457431).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15427457431) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 782595 + ... + 802065.

Almost surely, 2^15427457430 is an apocalyptic number.

15427457430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15427457430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23561743104).

15427457430 is an abundant number, since it is smaller than the sum of its proper divisors (31696028778).

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

15427457430 is a wasteful number, since it uses less digits than its factorization.

15427457430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19520 (or 19499 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 42.

The spelling of 15427457430 in words is "fifteen billion, four hundred twenty-seven million, four hundred fifty-seven thousand, four hundred thirty".