40798172 has 12 divisors (see below), whose sum is σ = 71545656. Its totient is φ = 20356560.

The previous prime is 40798169. The next prime is 40798183. The reversal of 40798172 is 27189704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8423 + ... + 12350.

It is an arithmetic number, because the mean of its divisors is an integer number (5962138).

Almost surely, 2^40798172 is an apocalyptic number.

It is an amenable number.

40798172 is a deficient number, since it is larger than the sum of its proper divisors (30747484).

40798172 is a wasteful number, since it uses less digits than its factorization.

40798172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21268 (or 21266 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 40798172 is about 6387.3446752152. The cubic root of 40798172 is about 344.2549826673.

The spelling of 40798172 in words is "forty million, seven hundred ninety-eight thousand, one hundred seventy-two".