40899484 has 24 divisors (see below), whose sum is σ = 76225968. Its totient is φ = 19134720.

The previous prime is 40899473. The next prime is 40899487. The reversal of 40899484 is 48499804.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40899487) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10647 + ... + 13969.

It is an arithmetic number, because the mean of its divisors is an integer number (3176082).

Almost surely, 2^40899484 is an apocalyptic number.

It is an amenable number.

40899484 is a deficient number, since it is larger than the sum of its proper divisors (35326484).

40899484 is a wasteful number, since it uses less digits than its factorization.

40899484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525 (or 3523 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 40899484 is about 6395.2704399423. The cubic root of 40899484 is about 344.5397040106.

The spelling of 40899484 in words is "forty million, eight hundred ninety-nine thousand, four hundred eighty-four".