15342032340 has 192 divisors, whose sum is σ = 49085568000. Its totient is φ = 3976307712.

The previous prime is 15342032297. The next prime is 15342032341. The reversal of 15342032340 is 4323024351.

15342032340 is a `hidden beast` number, since 1 + 5 + 3 + 420 + 3 + 234 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15342032341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3779592 + ... + 3783648.

It is an arithmetic number, because the mean of its divisors is an integer number (255654000).

Almost surely, 2^15342032340 is an apocalyptic number.

15342032340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15342032340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24542784000).

15342032340 is an abundant number, since it is smaller than the sum of its proper divisors (33743535660).

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

15342032340 is a wasteful number, since it uses less digits than its factorization.

15342032340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271 (or 4263 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 15342032340 its reverse (4323024351), we get a palindrome (19665056691).

The spelling of 15342032340 in words is "fifteen billion, three hundred forty-two million, thirty-two thousand, three hundred forty".