2040029787 has 18 divisors (see below), whose sum is σ = 2760366292. Its totient is φ = 1340149184.

The previous prime is 2040029777. The next prime is 2040029807. The reversal of 2040029787 is 7879200402.

It is not a de Polignac number, because 2040029787 - 2⁷ = 2040029659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040029777) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6962413 + ... + 6962705.

Almost surely, 2^2040029787 is an apocalyptic number.

2040029787 is a deficient number, since it is larger than the sum of its proper divisors (720336505).

2040029787 is an frugal number, since it uses more digits than its factorization.

2040029787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 2040029787 is about 45166.6889089736. The cubic root of 2040029787 is about 1268.2713138923.

The spelling of 2040029787 in words is "two billion, forty million, twenty-nine thousand, seven hundred eighty-seven".