40503451544 has 16 divisors (see below), whose sum is σ = 75946138920. Its totient is φ = 20251147840.

The previous prime is 40503451531. The next prime is 40503451589. The reversal of 40503451544 is 44515430504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435659 + ... + 520389.

Almost surely, 2^40503451544 is an apocalyptic number.

It is an amenable number.

40503451544 is a deficient number, since it is larger than the sum of its proper divisors (35442687376).

40503451544 is a wasteful number, since it uses less digits than its factorization.

40503451544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144490 (or 144486 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 40503451544 in words is "forty billion, five hundred three million, four hundred fifty-one thousand, five hundred forty-four".