40664126 has 16 divisors (see below), whose sum is σ = 63192960. Its totient is φ = 19604640.

The previous prime is 40664101. The next prime is 40664179. The reversal of 40664126 is 62146604.

It is a super-2 number, since 2×40664126² = 3307142286687752, which contains 22 as substring.

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, 18620 + ... + 20688.

It is an arithmetic number, because the mean of its divisors is an integer number (3949560).

Almost surely, 2^40664126 is an apocalyptic number.

40664126 is a deficient number, since it is larger than the sum of its proper divisors (22528834).

40664126 is a wasteful number, since it uses less digits than its factorization.

40664126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 40664126 is about 6376.8429492971. The cubic root of 40664126 is about 343.8775422697.

It can be divided in two parts, 4066 and 4126, that added together give a 13-th power (8192 = 2¹³).

The spelling of 40664126 in words is "forty million, six hundred sixty-four thousand, one hundred twenty-six".