40263706 has 16 divisors (see below), whose sum is σ = 69105024. Its totient is φ = 17235504.

The previous prime is 40263703. The next prime is 40263709. The reversal of 40263706 is 60736204.

It is an interprime number because it is at equal distance from previous prime (40263703) and next prime (40263709).

It is not an unprimeable number, because it can be changed into a prime (40263703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21691 + ... + 23473.

It is an arithmetic number, because the mean of its divisors is an integer number (4319064).

Almost surely, 2^40263706 is an apocalyptic number.

40263706 is a deficient number, since it is larger than the sum of its proper divisors (28841318).

40263706 is a wasteful number, since it uses less digits than its factorization.

40263706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 40263706 is about 6345.3688624067. The cubic root of 40263706 is about 342.7450953142.

The spelling of 40263706 in words is "forty million, two hundred sixty-three thousand, seven hundred six".