2040319738 has 4 divisors (see below), whose sum is σ = 3060479610. Its totient is φ = 1020159868.

The previous prime is 2040319691. The next prime is 2040319739. The reversal of 2040319738 is 8379130402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1100713329 + 939606409 = 33177^2 + 30653^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2040319697 and 2040319706.

It is not an unprimeable number, because it can be changed into a prime (2040319739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510079933 + ... + 510079936.

Almost surely, 2^2040319738 is an apocalyptic number.

2040319738 is a deficient number, since it is larger than the sum of its proper divisors (1020159872).

2040319738 is a wasteful number, since it uses less digits than its factorization.

2040319738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020159871.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 2040319738 is about 45169.8985830165. The cubic root of 2040319738 is about 1268.3313978377.

The spelling of 2040319738 in words is "two billion, forty million, three hundred nineteen thousand, seven hundred thirty-eight".