40829955 has 16 divisors (see below), whose sum is σ = 68766720. Its totient is φ = 20629728.

The previous prime is 40829939. The next prime is 40829963. The reversal of 40829955 is 55992804.

It is not a de Polignac number, because 40829955 - 2⁴ = 40829939 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71347 + ... + 71916.

It is an arithmetic number, because the mean of its divisors is an integer number (4297920).

Almost surely, 2^40829955 is an apocalyptic number.

40829955 is a deficient number, since it is larger than the sum of its proper divisors (27936765).

40829955 is a wasteful number, since it uses less digits than its factorization.

40829955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143290.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 40829955 is about 6389.8321574201. The cubic root of 40829955 is about 344.3443544501.

The spelling of 40829955 in words is "forty million, eight hundred twenty-nine thousand, nine hundred fifty-five".