15434513340 has 24 divisors (see below), whose sum is σ = 43216637520. Its totient is φ = 4115870208.

The previous prime is 15434513329. The next prime is 15434513359. The reversal of 15434513340 is 4331543451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128620885 + ... + 128621004.

It is an arithmetic number, because the mean of its divisors is an integer number (1800693230).

Almost surely, 2^15434513340 is an apocalyptic number.

15434513340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15434513340 is an abundant number, since it is smaller than the sum of its proper divisors (27782124180).

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

15434513340 is a wasteful number, since it uses less digits than its factorization.

15434513340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257241901 (or 257241899 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 15434513340 in words is "fifteen billion, four hundred thirty-four million, five hundred thirteen thousand, three hundred forty".