12434524240 has 20 divisors (see below), whose sum is σ = 28910269044. Its totient is φ = 4973809664.

The previous prime is 12434524229. The next prime is 12434524261. The reversal of 12434524240 is 4242543421.

It can be written as a sum of positive squares in 2 ways, for example, as 3738588736 + 8695935504 = 61144^2 + 93252^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77715697 + ... + 77715856.

Almost surely, 2^12434524240 is an apocalyptic number.

12434524240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12434524240 is an abundant number, since it is smaller than the sum of its proper divisors (16475744804).

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

12434524240 is a wasteful number, since it uses less digits than its factorization.

12434524240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155431566 (or 155431560 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

The spelling of 12434524240 in words is "twelve billion, four hundred thirty-four million, five hundred twenty-four thousand, two hundred forty".