40955820 has 24 divisors (see below), whose sum is σ = 114676464. Its totient is φ = 10921536.

The previous prime is 40955819. The next prime is 40955851. The reversal of 40955820 is 2855904.

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, 341239 + ... + 341358.

It is an arithmetic number, because the mean of its divisors is an integer number (4778186).

Almost surely, 2^40955820 is an apocalyptic number.

It is an amenable number.

40955820 is an abundant number, since it is smaller than the sum of its proper divisors (73720644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40955820 is a wasteful number, since it uses less digits than its factorization.

40955820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682609 (or 682607 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 40955820 is about 6399.6734291681. The cubic root of 40955820 is about 344.6978240466.

The spelling of 40955820 in words is "forty million, nine hundred fifty-five thousand, eight hundred twenty".