2040434546 has 4 divisors (see below), whose sum is σ = 3060651822. Its totient is φ = 1020217272.

The previous prime is 2040434533. The next prime is 2040434593. The reversal of 2040434546 is 6454340402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6454340402 = 2 ⋅3227170201.

It can be written as a sum of positive squares in only one way, i.e., 1904362321 + 136072225 = 43639^2 + 11665^2 .

It is a super-2 number, since 2×2040434546² = 8326746273020452232, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510108635 + ... + 510108638.

Almost surely, 2^2040434546 is an apocalyptic number.

2040434546 is a deficient number, since it is larger than the sum of its proper divisors (1020217276).

2040434546 is a wasteful number, since it uses less digits than its factorization.

2040434546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020217275.

The product of its (nonzero) digits is 46080, while the sum is 32.

The square root of 2040434546 is about 45171.1694114731. The cubic root of 2040434546 is about 1268.3551868967.

Adding to 2040434546 its reverse (6454340402), we get a palindrome (8494774948).

The spelling of 2040434546 in words is "two billion, forty million, four hundred thirty-four thousand, five hundred forty-six".