40755830 has 16 divisors (see below), whose sum is σ = 75067344. Its totient is φ = 15923040.

The previous prime is 40755829. The next prime is 40755853. The reversal of 40755830 is 3855704.

It is a happy number.

It is a super-2 number, since 2×40755830² = 3322075357977800, 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, 46961 + ... + 47820.

It is an arithmetic number, because the mean of its divisors is an integer number (4691709).

Almost surely, 2^40755830 is an apocalyptic number.

40755830 is a deficient number, since it is larger than the sum of its proper divisors (34311514).

40755830 is a wasteful number, since it uses less digits than its factorization.

40755830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94831.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 40755830 is about 6384.0292919127. The cubic root of 40755830 is about 344.1358475088.

The spelling of 40755830 in words is "forty million, seven hundred fifty-five thousand, eight hundred thirty".