40284938 has 8 divisors (see below), whose sum is σ = 60462180. Its totient is φ = 20130880.

The previous prime is 40284913. The next prime is 40284967. The reversal of 40284938 is 83948204.

It can be written as a sum of positive squares in 2 ways, for example, as 40284409 + 529 = 6347^2 + 23^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 473 + ... + 8988.

Almost surely, 2^40284938 is an apocalyptic number.

40284938 is a deficient number, since it is larger than the sum of its proper divisors (20177242).

40284938 is a wasteful number, since it uses less digits than its factorization.

40284938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11592.

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

The square root of 40284938 is about 6347.0416730946. The cubic root of 40284938 is about 342.8053305800.

The spelling of 40284938 in words is "forty million, two hundred eighty-four thousand, nine hundred thirty-eight".