40537045745 has 32 divisors (see below), whose sum is σ = 56823717888. Its totient is φ = 27182789568.

The previous prime is 40537045739. The next prime is 40537045763. The reversal of 40537045745 is 54754073504.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40537045745 - 2⁴ = 40537045729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40537045696 and 40537045705.

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 31 ways as a sum of consecutive naturals, for example, 2100932 + ... + 2120138.

It is an arithmetic number, because the mean of its divisors is an integer number (1775741184).

Almost surely, 2^40537045745 is an apocalyptic number.

It is an amenable number.

40537045745 is a deficient number, since it is larger than the sum of its proper divisors (16286672143).

40537045745 is a wasteful number, since it uses less digits than its factorization.

40537045745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20549.

The product of its (nonzero) digits is 1176000, while the sum is 44.

The spelling of 40537045745 in words is "forty billion, five hundred thirty-seven million, forty-five thousand, seven hundred forty-five".