40679284 has 6 divisors (see below), whose sum is σ = 71188754. Its totient is φ = 20339640.

The previous prime is 40679281. The next prime is 40679291. The reversal of 40679284 is 48297604.

It can be written as a sum of positive squares in only one way, i.e., 40678884 + 400 = 6378^2 + 20^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40679281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5084907 + ... + 5084914.

Almost surely, 2^40679284 is an apocalyptic number.

It is an amenable number.

40679284 is a deficient number, since it is larger than the sum of its proper divisors (30509470).

40679284 is a wasteful number, since it uses less digits than its factorization.

40679284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10169825 (or 10169823 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 40679284 is about 6378.0313577153. The cubic root of 40679284 is about 343.9202650064.

The spelling of 40679284 in words is "forty million, six hundred seventy-nine thousand, two hundred eighty-four".