40083290 has 16 divisors (see below), whose sum is σ = 77700168. Its totient is φ = 14799936.

The previous prime is 40083287. The next prime is 40083301. The reversal of 40083290 is 9238004.

It can be written as a sum of positive squares in 4 ways, for example, as 10804369 + 29278921 = 3287^2 + 5411^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154037 + ... + 154296.

Almost surely, 2^40083290 is an apocalyptic number.

40083290 is a deficient number, since it is larger than the sum of its proper divisors (37616878).

40083290 is a wasteful number, since it uses less digits than its factorization.

40083290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308353.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 40083290 is about 6331.1365488354. The cubic root of 40083290 is about 342.2323979299.

The spelling of 40083290 in words is "forty million, eighty-three thousand, two hundred ninety".