40905035684 has 6 divisors (see below), whose sum is σ = 71583812454. Its totient is φ = 20452517840.

The previous prime is 40905035683. The next prime is 40905035687. The reversal of 40905035684 is 48653050904.

It can be written as a sum of positive squares in only one way, i.e., 33369059584 + 7535976100 = 182672^2 + 86810^2 .

It is not an unprimeable number, because it can be changed into a prime (40905035681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5113129457 + ... + 5113129464.

It is an arithmetic number, because the mean of its divisors is an integer number (11930635409).

Almost surely, 2^40905035684 is an apocalyptic number.

It is an amenable number.

40905035684 is a deficient number, since it is larger than the sum of its proper divisors (30678776770).

40905035684 is a wasteful number, since it uses less digits than its factorization.

40905035684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10226258925 (or 10226258923 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 40905035684 in words is "forty billion, nine hundred five million, thirty-five thousand, six hundred eighty-four".