40026346 has 16 divisors (see below), whose sum is σ = 60886080. Its totient is φ = 19732960.

The previous prime is 40026323. The next prime is 40026359. The reversal of 40026346 is 64362004.

It is a super-2 number, since 2×40026346² = 3204216748223432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40026346.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76566 + ... + 77086.

It is an arithmetic number, because the mean of its divisors is an integer number (3805380).

Almost surely, 2^40026346 is an apocalyptic number.

40026346 is a deficient number, since it is larger than the sum of its proper divisors (20859734).

40026346 is a wasteful number, since it uses less digits than its factorization.

40026346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 40026346 is about 6326.6378116658. The cubic root of 40026346 is about 342.0702579003.

The spelling of 40026346 in words is "forty million, twenty-six thousand, three hundred forty-six".