426561370 has 16 divisors (see below), whose sum is σ = 770669640. Its totient is φ = 169989184.

The previous prime is 426561367. The next prime is 426561391. The reversal of 426561370 is 73165624.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 371756961 + 54804409 = 19281^2 + 7403^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76597 + ... + 81976.

Almost surely, 2^426561370 is an apocalyptic number.

426561370 is a deficient number, since it is larger than the sum of its proper divisors (344108270).

426561370 is a wasteful number, since it uses less digits than its factorization.

426561370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158849.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 426561370 is about 20653.3621960203. The cubic root of 426561370 is about 752.7668880364.

The spelling of 426561370 in words is "four hundred twenty-six million, five hundred sixty-one thousand, three hundred seventy".