126340302240 has 72 divisors (see below), whose sum is σ = 431136286308. Its totient is φ = 33690746880.

The previous prime is 126340302223. The next prime is 126340302247. The reversal of 126340302240 is 42203043621.

126340302240 is a `hidden beast` number, since 1 + 2 + 634 + 0 + 3 + 0 + 2 + 24 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 120261916944 + 6078385296 = 346788^2 + 77964^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (126340302247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43866721 + ... + 43869600.

Almost surely, 2^126340302240 is an apocalyptic number.

126340302240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126340302240 is an abundant number, since it is smaller than the sum of its proper divisors (304795984068).

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

126340302240 is a wasteful number, since it uses less digits than its factorization.

126340302240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87736342 (or 87736331 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 126340302240 its reverse (42203043621), we get a palindrome (168543345861).

The spelling of 126340302240 in words is "one hundred twenty-six billion, three hundred forty million, three hundred two thousand, two hundred forty".