40030337775561 has 64 divisors (see below), whose sum is σ = 63335598643200. Its totient is φ = 22473975424320.

The previous prime is 40030337775559. The next prime is 40030337775583. The reversal of 40030337775561 is 16557773303004.

It is not a de Polignac number, because 40030337775561 - 2¹ = 40030337775559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40030337775361) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55063906 + ... + 55786148.

It is an arithmetic number, because the mean of its divisors is an integer number (989618728800).

Almost surely, 2^{40030337775561} is an apocalyptic number.

It is an amenable number.

40030337775561 is a deficient number, since it is larger than the sum of its proper divisors (23305260867639).

40030337775561 is an equidigital number, since it uses as much as digits as its factorization.

40030337775561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723211 (or 723197 counting only the distinct ones).

The product of its (nonzero) digits is 5556600, while the sum is 51.

The spelling of 40030337775561 in words is "forty trillion, thirty billion, three hundred thirty-seven million, seven hundred seventy-five thousand, five hundred sixty-one".