612442426 has 16 divisors (see below), whose sum is σ = 944668296. Its totient is φ = 297573696.

The previous prime is 612442403. The next prime is 612442483. The reversal of 612442426 is 624244216.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 610337025 + 2105401 = 24705^2 + 1451^2 .

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, 60180 + ... + 69616.

Almost surely, 2^612442426 is an apocalyptic number.

612442426 is a deficient number, since it is larger than the sum of its proper divisors (332225870).

612442426 is a wasteful number, since it uses less digits than its factorization.

612442426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10353.

The product of its digits is 18432, while the sum is 31.

The square root of 612442426 is about 24747.5741437418. The cubic root of 612442426 is about 849.2230159277.

The spelling of 612442426 in words is "six hundred twelve million, four hundred forty-two thousand, four hundred twenty-six".