40424026 has 4 divisors (see below), whose sum is σ = 60636042. Its totient is φ = 20212012.

The previous prime is 40424009. The next prime is 40424051. The reversal of 40424026 is 62042404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21631801 + 18792225 = 4651^2 + 4335^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40423988 and 40424006.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106005 + ... + 10106008.

Almost surely, 2^40424026 is an apocalyptic number.

40424026 is a deficient number, since it is larger than the sum of its proper divisors (20212016).

40424026 is a wasteful number, since it uses less digits than its factorization.

40424026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20212015.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 40424026 is about 6357.9891475214. The cubic root of 40424026 is about 343.1994012646.

The spelling of 40424026 in words is "forty million, four hundred twenty-four thousand, twenty-six".