40046236 has 6 divisors (see below), whose sum is σ = 70080920. Its totient is φ = 20023116.

The previous prime is 40046233. The next prime is 40046239. The reversal of 40046236 is 63264004.

It is an interprime number because it is at equal distance from previous prime (40046233) and next prime (40046239).

It is a self number, because there is not a number n which added to its sum of digits gives 40046236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40046231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005776 + ... + 5005783.

Almost surely, 2^40046236 is an apocalyptic number.

It is an amenable number.

40046236 is a deficient number, since it is larger than the sum of its proper divisors (30034684).

40046236 is a wasteful number, since it uses less digits than its factorization.

40046236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10011563 (or 10011561 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 40046236 is about 6328.2095414106. The cubic root of 40046236 is about 342.1269093431.

The spelling of 40046236 in words is "forty million, forty-six thousand, two hundred thirty-six".