244266640626 has 16 divisors (see below), whose sum is σ = 501736883904. Its totient is φ = 79221613104.

The previous prime is 244266640571. The next prime is 244266640741. The reversal of 244266640626 is 626046662442.

It is a super-2 number, since 2×244266640626² (a number of 24 digits) contains 22 as substring.

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, 550149870 + ... + 550150313.

It is an arithmetic number, because the mean of its divisors is an integer number (31358555244).

Almost surely, 2^244266640626 is an apocalyptic number.

244266640626 is an abundant number, since it is smaller than the sum of its proper divisors (257470243278).

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

244266640626 is a wasteful number, since it uses less digits than its factorization.

244266640626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100300225.

The product of its (nonzero) digits is 3981312, while the sum is 48.

The spelling of 244266640626 in words is "two hundred forty-four billion, two hundred sixty-six million, six hundred forty thousand, six hundred twenty-six".