609040426 has 12 divisors (see below), whose sum is σ = 946151622. Its totient is φ = 294018704.

The previous prime is 609040423. The next prime is 609040427. The reversal of 609040426 is 624040906.

It can be written as a sum of positive squares in 3 ways, for example, as 604422225 + 4618201 = 24585^2 + 2149^2 .

It is a super-2 number, since 2×609040426² = 741860481004522952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (609040423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 179365 + ... + 182728.

Almost surely, 2^609040426 is an apocalyptic number.

609040426 is a deficient number, since it is larger than the sum of its proper divisors (337111196).

609040426 is a wasteful number, since it uses less digits than its factorization.

609040426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362153 (or 362124 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 609040426 is about 24678.7444170079. The cubic root of 609040426 is about 847.6476718453.

The spelling of 609040426 in words is "six hundred nine million, forty thousand, four hundred twenty-six".