40869146 has 8 divisors (see below), whose sum is σ = 62308884. Its totient is φ = 20099520.

The previous prime is 40869131. The next prime is 40869151. The reversal of 40869146 is 64196804.

It can be written as a sum of positive squares in 2 ways, for example, as 34939921 + 5929225 = 5911^2 + 2435^2 .

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, 167375 + ... + 167618.

Almost surely, 2^40869146 is an apocalyptic number.

40869146 is a deficient number, since it is larger than the sum of its proper divisors (21439738).

40869146 is a wasteful number, since it uses less digits than its factorization.

40869146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335056.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 40869146 is about 6392.8980908505. The cubic root of 40869146 is about 344.4544932282.

The spelling of 40869146 in words is "forty million, eight hundred sixty-nine thousand, one hundred forty-six".