40226164 has 24 divisors (see below), whose sum is σ = 77234976. Its totient is φ = 18180000.

The previous prime is 40226159. The next prime is 40226167. The reversal of 40226164 is 46162204.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40226167) 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, 5439 + ... + 10489.

It is an arithmetic number, because the mean of its divisors is an integer number (3218124).

Almost surely, 2^40226164 is an apocalyptic number.

40226164 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40226164 is a deficient number, since it is larger than the sum of its proper divisors (37008812).

40226164 is a wasteful number, since it uses less digits than its factorization.

40226164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5247 (or 5245 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 40226164 is about 6342.4099520608. The cubic root of 40226164 is about 342.6385366712.

Adding to 40226164 its reverse (46162204), we get a palindrome (86388368).

The spelling of 40226164 in words is "forty million, two hundred twenty-six thousand, one hundred sixty-four".