2040021434 has 16 divisors (see below), whose sum is σ = 3339626976. Its totient is φ = 926890800.

The previous prime is 2040021413. The next prime is 2040021439. The reversal of 2040021434 is 4341200402.

It is not an unprimeable number, because it can be changed into a prime (2040021439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37364 + ... + 74000.

It is an arithmetic number, because the mean of its divisors is an integer number (208726686).

Almost surely, 2^2040021434 is an apocalyptic number.

2040021434 is a deficient number, since it is larger than the sum of its proper divisors (1299605542).

2040021434 is a wasteful number, since it uses less digits than its factorization.

2040021434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39181.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2040021434 is about 45166.5964402898. The cubic root of 2040021434 is about 1268.2695828907.

Adding to 2040021434 its reverse (4341200402), we get a palindrome (6381221836).

The spelling of 2040021434 in words is "two billion, forty million, twenty-one thousand, four hundred thirty-four".