40509484 has 12 divisors (see below), whose sum is σ = 71594208. Its totient is φ = 20054000.

The previous prime is 40509479. The next prime is 40509493. The reversal of 40509484 is 48490504.

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, 49732 + ... + 50539.

It is an arithmetic number, because the mean of its divisors is an integer number (5966184).

Almost surely, 2^40509484 is an apocalyptic number.

It is an amenable number.

40509484 is a deficient number, since it is larger than the sum of its proper divisors (31084724).

40509484 is a wasteful number, since it uses less digits than its factorization.

40509484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100376 (or 100374 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 40509484 is about 6364.7061204741. The cubic root of 40509484 is about 343.4410767723.

Adding to 40509484 its reverse (48490504), we get a palindrome (88999988).

The spelling of 40509484 in words is "forty million, five hundred nine thousand, four hundred eighty-four".