2040051663 has 40 divisors (see below), whose sum is σ = 3474990288. Its totient is φ = 1181558016.

The previous prime is 2040051653. The next prime is 2040051683. The reversal of 2040051663 is 3661500402.

It is not a de Polignac number, because 2040051663 - 2⁹ = 2040051151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040051613) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 39081 + ... + 74882.

Almost surely, 2^2040051663 is an apocalyptic number.

2040051663 is a deficient number, since it is larger than the sum of its proper divisors (1434938625).

2040051663 is a wasteful number, since it uses less digits than its factorization.

2040051663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114005 (or 113996 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2040051663 is about 45166.9310779468. The cubic root of 2040051663 is about 1268.2758472582.

The spelling of 2040051663 in words is "two billion, forty million, fifty-one thousand, six hundred sixty-three".