40336426 has 16 divisors (see below), whose sum is σ = 65402568. Its totient is φ = 18547200.

The previous prime is 40336409. The next prime is 40336447. The reversal of 40336426 is 62463304.

It can be written as a sum of positive squares in 4 ways, for example, as 27050401 + 13286025 = 5201^2 + 3645^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40336394 and 40336403.

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, 4546 + ... + 10066.

Almost surely, 2^40336426 is an apocalyptic number.

40336426 is a deficient number, since it is larger than the sum of its proper divisors (25066142).

40336426 is a wasteful number, since it uses less digits than its factorization.

40336426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5817.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 40336426 is about 6351.0964407730. The cubic root of 40336426 is about 342.9513143931.

The spelling of 40336426 in words is "forty million, three hundred thirty-six thousand, four hundred twenty-six".