40137226 has 8 divisors (see below), whose sum is σ = 60269220. Its totient is φ = 20047488.

The previous prime is 40137203. The next prime is 40137233. The reversal of 40137226 is 62273104.

It can be written as a sum of positive squares in 2 ways, for example, as 33120025 + 7017201 = 5755^2 + 2649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40137226² = 3221993821950152, 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 40137226.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8071 + ... + 12058.

Almost surely, 2^40137226 is an apocalyptic number.

40137226 is a deficient number, since it is larger than the sum of its proper divisors (20131994).

40137226 is a wasteful number, since it uses less digits than its factorization.

40137226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21128.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 40137226 is about 6335.3946996221. The cubic root of 40137226 is about 342.3858315552.

The spelling of 40137226 in words is "forty million, one hundred thirty-seven thousand, two hundred twenty-six".