12435455240 has 32 divisors (see below), whose sum is σ = 30132065880. Its totient is φ = 4591552512.

The previous prime is 12435455237. The next prime is 12435455281. The reversal of 12435455240 is 4255453421.

It can be written as a sum of positive squares in 4 ways, for example, as 3228285124 + 9207170116 = 56818^2 + 95954^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12435455240.

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, 11956649 + ... + 11957688.

Almost surely, 2^12435455240 is an apocalyptic number.

12435455240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12435455240 is an abundant number, since it is smaller than the sum of its proper divisors (17696610640).

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

12435455240 is a wasteful number, since it uses less digits than its factorization.

12435455240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23914361 (or 23914357 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 12435455240 in words is "twelve billion, four hundred thirty-five million, four hundred fifty-five thousand, two hundred forty".