40898540 has 24 divisors (see below), whose sum is σ = 86179632. Its totient is φ = 16303680.

The previous prime is 40898527. The next prime is 40898551. The reversal of 40898540 is 4589804.

40898540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 40898494 and 40898503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2810 + ... + 9470.

It is an arithmetic number, because the mean of its divisors is an integer number (3590818).

Almost surely, 2^40898540 is an apocalyptic number.

It is an amenable number.

40898540 is an abundant number, since it is smaller than the sum of its proper divisors (45281092).

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

40898540 is a wasteful number, since it uses less digits than its factorization.

40898540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6977 (or 6975 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 40898540 is about 6395.1966349753. The cubic root of 40898540 is about 344.5370532194.

The spelling of 40898540 in words is "forty million, eight hundred ninety-eight thousand, five hundred forty".