40226243421 has 48 divisors (see below), whose sum is σ = 70279519104. Its totient is φ = 19970076672.

The previous prime is 40226243417. The next prime is 40226243429. The reversal of 40226243421 is 12434262204.

It is not a de Polignac number, because 40226243421 - 2² = 40226243417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40226243429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 273036 + ... + 393701.

It is an arithmetic number, because the mean of its divisors is an integer number (1464156648).

Almost surely, 2^40226243421 is an apocalyptic number.

It is an amenable number.

40226243421 is a deficient number, since it is larger than the sum of its proper divisors (30053275683).

40226243421 is a wasteful number, since it uses less digits than its factorization.

40226243421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666790 (or 666777 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 40226243421 in words is "forty billion, two hundred twenty-six million, two hundred forty-three thousand, four hundred twenty-one".