40545337573538 has 16 divisors (see below), whose sum is σ = 69506439945984. Its totient is φ = 17376536505120.

The previous prime is 40545337573537. The next prime is 40545337573567. The reversal of 40545337573538 is 83537573354504.

It is not an unprimeable number, because it can be changed into a prime (40545337573537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4427831 + ... + 10034757.

It is an arithmetic number, because the mean of its divisors is an integer number (4344152496624).

Almost surely, 2^{40545337573538} is an apocalyptic number.

40545337573538 is a deficient number, since it is larger than the sum of its proper divisors (28961102372446).

40545337573538 is a wasteful number, since it uses less digits than its factorization.

40545337573538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6123457.

The product of its (nonzero) digits is 317520000, while the sum is 62.

The spelling of 40545337573538 in words is "forty trillion, five hundred forty-five billion, three hundred thirty-seven million, five hundred seventy-three thousand, five hundred thirty-eight".