40085776 has 10 divisors (see below), whose sum is σ = 77666222. Its totient is φ = 20042880.

The previous prime is 40085767. The next prime is 40085807. The reversal of 40085776 is 67758004.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 38192400 + 1893376 = 6180^2 + 1376^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252665 + ... + 1252696.

Almost surely, 2^40085776 is an apocalyptic number.

It is an amenable number.

40085776 is a deficient number, since it is larger than the sum of its proper divisors (37580446).

40085776 is a wasteful number, since it uses less digits than its factorization.

40085776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505369 (or 2505363 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 40085776 is about 6331.3328770489. The cubic root of 40085776 is about 342.2394729659.

The spelling of 40085776 in words is "forty million, eighty-five thousand, seven hundred seventy-six".