40307841 has 24 divisors (see below), whose sum is σ = 69467040. Its totient is φ = 23032296.

The previous prime is 40307831. The next prime is 40307849. The reversal of 40307841 is 14870304.

It is not a de Polignac number, because 40307841 - 2⁵ = 40307809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (40307849) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13911 + ... + 16556.

It is an arithmetic number, because the mean of its divisors is an integer number (2894460).

Almost surely, 2^40307841 is an apocalyptic number.

It is an amenable number.

40307841 is a deficient number, since it is larger than the sum of its proper divisors (29159199).

40307841 is a wasteful number, since it uses less digits than its factorization.

40307841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30490 (or 30477 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 40307841 is about 6348.8456431071. The cubic root of 40307841 is about 342.8702827553.

The spelling of 40307841 in words is "forty million, three hundred seven thousand, eight hundred forty-one".