40046807 has 4 divisors (see below), whose sum is σ = 40065960. Its totient is φ = 40027656.

The previous prime is 40046801. The next prime is 40046819. The reversal of 40046807 is 70864004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40046807 - 2⁸ = 40046551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40046807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40046801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5993 + ... + 10770.

It is an arithmetic number, because the mean of its divisors is an integer number (10016490).

Almost surely, 2^40046807 is an apocalyptic number.

40046807 is a deficient number, since it is larger than the sum of its proper divisors (19153).

40046807 is a wasteful number, since it uses less digits than its factorization.

40046807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19152.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 40046807 is about 6328.2546566964. The cubic root of 40046807 is about 342.1285354097.

The spelling of 40046807 in words is "forty million, forty-six thousand, eight hundred seven".