40428983 has 16 divisors (see below), whose sum is σ = 47900160. Its totient is φ = 33405216.

The previous prime is 40428967. The next prime is 40429003. The reversal of 40428983 is 38982404.

It is a cyclic number.

It is not a de Polignac number, because 40428983 - 2⁴ = 40428967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40428923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20966 + ... + 22812.

It is an arithmetic number, because the mean of its divisors is an integer number (2993760).

Almost surely, 2^40428983 is an apocalyptic number.

40428983 is a deficient number, since it is larger than the sum of its proper divisors (7471177).

40428983 is a wasteful number, since it uses less digits than its factorization.

40428983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 40428983 is about 6358.3789600809. The cubic root of 40428983 is about 343.2134289776.

The spelling of 40428983 in words is "forty million, four hundred twenty-eight thousand, nine hundred eighty-three".