40226251 has 8 divisors (see below), whose sum is σ = 44718464. Its totient is φ = 35933760.

The previous prime is 40226239. The next prime is 40226279. The reversal of 40226251 is 15262204.

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

It is a cyclic number.

It is not a de Polignac number, because 40226251 - 2⁹ = 40225739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40226201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49506 + ... + 50311.

It is an arithmetic number, because the mean of its divisors is an integer number (5589808).

Almost surely, 2^40226251 is an apocalyptic number.

40226251 is a deficient number, since it is larger than the sum of its proper divisors (4492213).

40226251 is a wasteful number, since it uses less digits than its factorization.

40226251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99861.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 40226251 is about 6342.4168106488. The cubic root of 40226251 is about 342.6387836873.

Adding to 40226251 its reverse (15262204), we get a palindrome (55488455).

The spelling of 40226251 in words is "forty million, two hundred twenty-six thousand, two hundred fifty-one".