126440262 has 24 divisors (see below), whose sum is σ = 295027824. Its totient is φ = 38904624.

The previous prime is 126440219. The next prime is 126440263. The reversal of 126440262 is 262044621.

126440262 is a `hidden beast` number, since 12 + 644 + 0 + 2 + 6 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126440263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269938 + ... + 270405.

It is an arithmetic number, because the mean of its divisors is an integer number (12292826).

Almost surely, 2^126440262 is an apocalyptic number.

126440262 is an abundant number, since it is smaller than the sum of its proper divisors (168587562).

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

126440262 is a wasteful number, since it uses less digits than its factorization.

126440262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540364 (or 540361 counting only the distinct ones).

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

The square root of 126440262 is about 11244.5658875743. The cubic root of 126440262 is about 501.9130207023.

Adding to 126440262 its reverse (262044621), we get a palindrome (388484883).

The spelling of 126440262 in words is "one hundred twenty-six million, four hundred forty thousand, two hundred sixty-two".