40490126 has 4 divisors (see below), whose sum is σ = 60735192. Its totient is φ = 20245062.

The previous prime is 40490117. The next prime is 40490129. The reversal of 40490126 is 62109404.

40490126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 40490095 and 40490104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40490129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10122530 + ... + 10122533.

It is an arithmetic number, because the mean of its divisors is an integer number (15183798).

Almost surely, 2^40490126 is an apocalyptic number.

40490126 is a deficient number, since it is larger than the sum of its proper divisors (20245066).

40490126 is a wasteful number, since it uses less digits than its factorization.

40490126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20245065.

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

The square root of 40490126 is about 6363.1852086828. The cubic root of 40490126 is about 343.3863620818.

The spelling of 40490126 in words is "forty million, four hundred ninety thousand, one hundred twenty-six".