40126245 has 16 divisors (see below), whose sum is σ = 66273792. Its totient is φ = 20710080.

The previous prime is 40126231. The next prime is 40126291. The reversal of 40126245 is 54262104.

It is not a de Polignac number, because 40126245 - 2⁵ = 40126213 is a prime.

It is a super-2 number, since 2×40126245² = 3220231075600050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42682 + ... + 43611.

It is an arithmetic number, because the mean of its divisors is an integer number (4142112).

Almost surely, 2^40126245 is an apocalyptic number.

It is an amenable number.

40126245 is a deficient number, since it is larger than the sum of its proper divisors (26147547).

40126245 is a wasteful number, since it uses less digits than its factorization.

40126245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86332.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 40126245 is about 6334.5280013589. The cubic root of 40126245 is about 342.3546046692.

Adding to 40126245 its reverse (54262104), we get a palindrome (94388349).

The spelling of 40126245 in words is "forty million, one hundred twenty-six thousand, two hundred forty-five".