40226390 has 16 divisors (see below), whose sum is σ = 72515520. Its totient is φ = 16066560.

The previous prime is 40226353. The next prime is 40226413. The reversal of 40226390 is 9362204.

It is a congruent number.

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, 5075 + ... + 10305.

It is an arithmetic number, because the mean of its divisors is an integer number (4532220).

Almost surely, 2^40226390 is an apocalyptic number.

40226390 is a deficient number, since it is larger than the sum of its proper divisors (32289130).

40226390 is a wasteful number, since it uses less digits than its factorization.

40226390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6007.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 40226390 is about 6342.4277686072. The cubic root of 40226390 is about 342.6391783444.

Adding to 40226390 its reverse (9362204), we get a palindrome (49588594).

The spelling of 40226390 in words is "forty million, two hundred twenty-six thousand, three hundred ninety".