40201838 has 32 divisors (see below), whose sum is σ = 67417920. Its totient is φ = 17881600.

The previous prime is 40201829. The next prime is 40201849. The reversal of 40201838 is 83810204.

It is a congruent number.

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, 78728 + ... + 79236.

It is an arithmetic number, because the mean of its divisors is an integer number (2106810).

Almost surely, 2^40201838 is an apocalyptic number.

40201838 is a deficient number, since it is larger than the sum of its proper divisors (27216082).

40201838 is a wasteful number, since it uses less digits than its factorization.

40201838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 40201838 is about 6340.4919367506. The cubic root of 40201838 is about 342.5694547194.

The spelling of 40201838 in words is "forty million, two hundred one thousand, eight hundred thirty-eight".