40126040 has 32 divisors (see below), whose sum is σ = 90467280. Its totient is φ = 16017792.

The previous prime is 40126027. The next prime is 40126049. The reversal of 40126040 is 4062104.

It is a super-2 number, since 2×40126040² = 3220198172163200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40126049) 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, 32474 + ... + 33686.

Almost surely, 2^40126040 is an apocalyptic number.

40126040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40126040 is an abundant number, since it is smaller than the sum of its proper divisors (50341240).

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

40126040 is a wasteful number, since it uses less digits than its factorization.

40126040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051 (or 2047 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 40126040 is about 6334.5118201800. The cubic root of 40126040 is about 342.3540216525.

Adding to 40126040 its reverse (4062104), we get a palindrome (44188144).

The spelling of 40126040 in words is "forty million, one hundred twenty-six thousand, forty".