40545331550 has 24 divisors (see below), whose sum is σ = 75567955752. Its totient is φ = 16185092000.

The previous prime is 40545331537. The next prime is 40545331577. The reversal of 40545331550 is 5513354504.

It is a self number, because there is not a number n which added to its sum of digits gives 40545331550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 801221 + ... + 850320.

It is an arithmetic number, because the mean of its divisors is an integer number (3148664823).

Almost surely, 2^40545331550 is an apocalyptic number.

40545331550 is a deficient number, since it is larger than the sum of its proper divisors (35022624202).

40545331550 is a wasteful number, since it uses less digits than its factorization.

40545331550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652044 (or 1652039 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 40545331550 in words is "forty billion, five hundred forty-five million, three hundred thirty-one thousand, five hundred fifty".