40049876 has 6 divisors (see below), whose sum is σ = 70087290. Its totient is φ = 20024936.

The previous prime is 40049869. The next prime is 40049879. The reversal of 40049876 is 67894004.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 34527376 + 5522500 = 5876^2 + 2350^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40049879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006231 + ... + 5006238.

It is an arithmetic number, because the mean of its divisors is an integer number (11681215).

Almost surely, 2^40049876 is an apocalyptic number.

It is an amenable number.

40049876 is a deficient number, since it is larger than the sum of its proper divisors (30037414).

40049876 is a wasteful number, since it uses less digits than its factorization.

40049876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10012473 (or 10012471 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 40049876 is about 6328.4971359715. The cubic root of 40049876 is about 342.1372748967.

The spelling of 40049876 in words is "forty million, forty-nine thousand, eight hundred seventy-six".