40126736 has 20 divisors (see below), whose sum is σ = 83726412. Its totient is φ = 18519936.

The previous prime is 40126721. The next prime is 40126739. The reversal of 40126736 is 63762104.

It can be written as a sum of positive squares in 2 ways, for example, as 26584336 + 13542400 = 5156^2 + 3680^2 .

It is a super-2 number, since 2×40126736² = 3220309884027392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40126699 and 40126708.

It is not an unprimeable number, because it can be changed into a prime (40126739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96251 + ... + 96666.

Almost surely, 2^40126736 is an apocalyptic number.

It is an amenable number.

40126736 is an abundant number, since it is smaller than the sum of its proper divisors (43599676).

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

40126736 is a wasteful number, since it uses less digits than its factorization.

40126736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192938 (or 192932 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 40126736 is about 6334.5667570877. The cubic root of 40126736 is about 342.3560010572.

The spelling of 40126736 in words is "forty million, one hundred twenty-six thousand, seven hundred thirty-six".