40126512 has 40 divisors (see below), whose sum is σ = 105622704. Its totient is φ = 13122304.

The previous prime is 40126487. The next prime is 40126523. The reversal of 40126512 is 21562104.

It is a super-2 number, since 2×40126512² = 3220273930572288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5343 + ... + 10430.

Almost surely, 2^40126512 is an apocalyptic number.

It is an amenable number.

40126512 is an abundant number, since it is smaller than the sum of its proper divisors (65496192).

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

40126512 is a wasteful number, since it uses less digits than its factorization.

40126512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15837 (or 15831 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 40126512 is about 6334.5490762958. The cubic root of 40126512 is about 342.3553640099.

Adding to 40126512 its reverse (21562104), we get a palindrome (61688616).

The spelling of 40126512 in words is "forty million, one hundred twenty-six thousand, five hundred twelve".