40039802 has 16 divisors (see below), whose sum is σ = 68968800. Its totient is φ = 17241840.

The previous prime is 40039801. The next prime is 40039823. The reversal of 40039802 is 20893004.

It is not an unprimeable number, because it can be changed into a prime (40039801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47477 + ... + 48312.

It is an arithmetic number, because the mean of its divisors is an integer number (4310550).

Almost surely, 2^40039802 is an apocalyptic number.

40039802 is a deficient number, since it is larger than the sum of its proper divisors (28928998).

40039802 is a wasteful number, since it uses less digits than its factorization.

40039802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95821.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 40039802 is about 6327.7011623496. The cubic root of 40039802 is about 342.1085858363.

The spelling of 40039802 in words is "forty million, thirty-nine thousand, eight hundred two".