641126270 has 48 divisors (see below), whose sum is σ = 1234331568. Its totient is φ = 239708160.

The previous prime is 641126263. The next prime is 641126303. The reversal of 641126270 is 72621146.

It is a super-2 number, since 2×641126270² = 822085788168225800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 470390 + ... + 471750.

It is an arithmetic number, because the mean of its divisors is an integer number (25715241).

Almost surely, 2^641126270 is an apocalyptic number.

641126270 is a deficient number, since it is larger than the sum of its proper divisors (593205298).

641126270 is a wasteful number, since it uses less digits than its factorization.

641126270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565 (or 1548 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 641126270 is about 25320.4713621212. The cubic root of 641126270 is about 862.2790954254.

The spelling of 641126270 in words is "six hundred forty-one million, one hundred twenty-six thousand, two hundred seventy".