40049706 has 32 divisors (see below), whose sum is σ = 83179008. Its totient is φ = 12841920.

The previous prime is 40049683. The next prime is 40049717. The reversal of 40049706 is 60794004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36096 + ... + 37188.

It is an arithmetic number, because the mean of its divisors is an integer number (2599344).

Almost surely, 2^40049706 is an apocalyptic number.

40049706 is an abundant number, since it is smaller than the sum of its proper divisors (43129302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40049706 is a wasteful number, since it uses less digits than its factorization.

40049706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 40049706 is about 6328.4837046484. The cubic root of 40049706 is about 342.1367908052.

It can be divided in two parts, 40049 and 706, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 40049706 in words is "forty million, forty-nine thousand, seven hundred six".