40226706 has 48 divisors (see below), whose sum is σ = 97353984. Its totient is φ = 12375504.

The previous prime is 40226677. The next prime is 40226713. The reversal of 40226706 is 60762204.

It is a super-2 number, since 2×40226706² = 3236375751220872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40226706.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3135 + ... + 9501.

It is an arithmetic number, because the mean of its divisors is an integer number (2028208).

Almost surely, 2^40226706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40226706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48676992).

40226706 is an abundant number, since it is smaller than the sum of its proper divisors (57127278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40226706 is a wasteful number, since it uses less digits than its factorization.

40226706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6397 (or 6385 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 40226706 is about 6342.4526801546. The cubic root of 40226706 is about 342.6400755473.

The spelling of 40226706 in words is "forty million, two hundred twenty-six thousand, seven hundred six".