40807801 has 6 divisors (see below), whose sum is σ = 43069002. Its totient is φ = 38659680.

The previous prime is 40807799. The next prime is 40807813. The reversal of 40807801 is 10870804.

It can be written as a sum of positive squares in only one way, i.e., 37197801 + 3610000 = 6099^2 + 1900^2 .

It is not a de Polignac number, because 40807801 - 2¹ = 40807799 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 40807801.

It is not an unprimeable number, because it can be changed into a prime (40807001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56160 + ... + 56881.

It is an arithmetic number, because the mean of its divisors is an integer number (7178167).

Almost surely, 2^40807801 is an apocalyptic number.

It is an amenable number.

40807801 is a deficient number, since it is larger than the sum of its proper divisors (2261201).

40807801 is a wasteful number, since it uses less digits than its factorization.

40807801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113079 (or 113060 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 40807801 is about 6388.0983868441. The cubic root of 40807801 is about 344.2820637048.

It can be divided in two parts, 4080 and 7801, that added together give a square (11881 = 109²).

The spelling of 40807801 in words is "forty million, eight hundred seven thousand, eight hundred one".