40026412 has 6 divisors (see below), whose sum is σ = 70046228. Its totient is φ = 20013204.

The previous prime is 40026383. The next prime is 40026419. The reversal of 40026412 is 21462004.

It is a super-2 number, since 2×40026412² = 3204227315187488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40026412.

It is not an unprimeable number, because it can be changed into a prime (40026419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5003298 + ... + 5003305.

Almost surely, 2^40026412 is an apocalyptic number.

It is an amenable number.

40026412 is a deficient number, since it is larger than the sum of its proper divisors (30019816).

40026412 is a wasteful number, since it uses less digits than its factorization.

40026412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10006607 (or 10006605 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 40026412 is about 6326.6430277043. The cubic root of 40026412 is about 342.0704459150.

Adding to 40026412 its reverse (21462004), we get a palindrome (61488416).

The spelling of 40026412 in words is "forty million, twenty-six thousand, four hundred twelve".