126140304240 has 160 divisors (see below), whose sum is σ = 441606408000. Its totient is φ = 33085946880.

The previous prime is 126140304209. The next prime is 126140304247. The reversal of 126140304240 is 42403041621.

It is a happy number.

126140304240 is a `hidden beast` number, since 1 + 2 + 614 + 0 + 3 + 0 + 4 + 2 + 40 = 666.

It is a super-2 number, since 2×126140304240² (a number of 23 digits) contains 22 as substring.

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 (126140304247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 346915 + ... + 610434.

It is an arithmetic number, because the mean of its divisors is an integer number (2760040050).

Almost surely, 2^126140304240 is an apocalyptic number.

126140304240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126140304240 is an abundant number, since it is smaller than the sum of its proper divisors (315466103760).

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

126140304240 is a wasteful number, since it uses less digits than its factorization.

126140304240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957432 (or 957420 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 126140304240 its reverse (42403041621), we get a palindrome (168543345861).

The spelling of 126140304240 in words is "one hundred twenty-six billion, one hundred forty million, three hundred four thousand, two hundred forty".