2040140034 has 28 divisors (see below), whose sum is σ = 4588219446. Its totient is φ = 680046192.

The previous prime is 2040140009. The next prime is 2040140051. The reversal of 2040140034 is 4300410402.

It can be written as a sum of positive squares in only one way, i.e., 1958328009 + 81812025 = 44253^2 + 9045^2 .

It is a super-4 number, since 4×2040140034⁴ (a number of 38 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2040139989 and 2040140016.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 698179 + ... + 701094.

Almost surely, 2^2040140034 is an apocalyptic number.

2040140034 is an abundant number, since it is smaller than the sum of its proper divisors (2548079412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2040140034 is an equidigital number, since it uses as much as digits as its factorization.

2040140034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399293 (or 1399278 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2040140034 is about 45167.9093383787. The cubic root of 2040140034 is about 1268.2941600602.

Adding to 2040140034 its reverse (4300410402), we get a palindrome (6340550436).

The spelling of 2040140034 in words is "two billion, forty million, one hundred forty thousand, thirty-four".