40611812 has 12 divisors (see below), whose sum is σ = 72804396. Its totient is φ = 19810560.

The previous prime is 40611811. The next prime is 40611847. The reversal of 40611812 is 21811604.

It can be written as a sum of positive squares in 2 ways, for example, as 5494336 + 35117476 = 2344^2 + 5926^2 .

It is not an unprimeable number, because it can be changed into a prime (40611811) 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, 123653 + ... + 123980.

It is an arithmetic number, because the mean of its divisors is an integer number (6067033).

Almost surely, 2^40611812 is an apocalyptic number.

It is an amenable number.

40611812 is a deficient number, since it is larger than the sum of its proper divisors (32192584).

40611812 is a wasteful number, since it uses less digits than its factorization.

40611812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247678 (or 247676 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 40611812 is about 6372.7397561802. The cubic root of 40611812 is about 343.7300139565.

The spelling of 40611812 in words is "forty million, six hundred eleven thousand, eight hundred twelve".