40010990 has 16 divisors (see below), whose sum is σ = 72325440. Its totient is φ = 15936480.

The previous prime is 40010989. The next prime is 40011001. The reversal of 40010990 is 9901004.

It is a congruent number.

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, 5981 + ... + 10760.

It is an arithmetic number, because the mean of its divisors is an integer number (4520340).

Almost surely, 2^40010990 is an apocalyptic number.

40010990 is a deficient number, since it is larger than the sum of its proper divisors (32314450).

40010990 is a wasteful number, since it uses less digits than its factorization.

40010990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16987.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 40010990 is about 6325.4240964539. The cubic root of 40010990 is about 342.0265075267.

Adding to 40010990 its reverse (9901004), we get a palindrome (49911994).

The spelling of 40010990 in words is "forty million, ten thousand, nine hundred ninety".