40205044 has 24 divisors (see below), whose sum is σ = 76952736. Its totient is φ = 18228000.

The previous prime is 40205041. The next prime is 40205059. The reversal of 40205044 is 44050204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40205041) 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, 20674 + ... + 22534.

It is an arithmetic number, because the mean of its divisors is an integer number (3206364).

Almost surely, 2^40205044 is an apocalyptic number.

40205044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40205044 is a deficient number, since it is larger than the sum of its proper divisors (36747692).

40205044 is a wasteful number, since it uses less digits than its factorization.

40205044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367 (or 2365 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 40205044 is about 6340.7447512102. The cubic root of 40205044 is about 342.5785608411.

Adding to 40205044 its reverse (44050204), we get a palindrome (84255248).

The spelling of 40205044 in words is "forty million, two hundred five thousand, forty-four".