40143126 has 16 divisors (see below), whose sum is σ = 80769024. Its totient is φ = 13300584.

The previous prime is 40143107. The next prime is 40143127. The reversal of 40143126 is 62134104.

It is a super-2 number, since 2×40143126² = 3222941130103752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40143127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19030 + ... + 21033.

It is an arithmetic number, because the mean of its divisors is an integer number (5048064).

Almost surely, 2^40143126 is an apocalyptic number.

40143126 is an abundant number, since it is smaller than the sum of its proper divisors (40625898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40143126 is a wasteful number, since it uses less digits than its factorization.

40143126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40235.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 40143126 is about 6335.8603204301. The cubic root of 40143126 is about 342.4026071493.

It can be divided in two parts, 4014 and 3126, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 40143126 in words is "forty million, one hundred forty-three thousand, one hundred twenty-six".