40011807 has 8 divisors (see below), whose sum is σ = 58199040. Its totient is φ = 24249560.

The previous prime is 40011781. The next prime is 40011823. The reversal of 40011807 is 70811004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40011807 - 2⁸ = 40011551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40011827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606207 + ... + 606272.

It is an arithmetic number, because the mean of its divisors is an integer number (7274880).

Almost surely, 2^40011807 is an apocalyptic number.

40011807 is a deficient number, since it is larger than the sum of its proper divisors (18187233).

40011807 is a wasteful number, since it uses less digits than its factorization.

40011807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212493.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 40011807 is about 6325.4886767743. The cubic root of 40011807 is about 342.0288355017.

The spelling of 40011807 in words is "forty million, eleven thousand, eight hundred seven".