2021040034 has 16 divisors (see below), whose sum is σ = 3266924472. Its totient is φ = 932168448.

The previous prime is 2021040001. The next prime is 2021040037. The reversal of 2021040034 is 4300401202.

It can be written as a sum of positive squares in 4 ways, for example, as 1545669225 + 475370809 = 39315^2 + 21803^2 .

It is not an unprimeable number, because it can be changed into a prime (2021040037) 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, 15352 + ... + 65404.

Almost surely, 2^2021040034 is an apocalyptic number.

2021040034 is a deficient number, since it is larger than the sum of its proper divisors (1245884438).

2021040034 is a wasteful number, since it uses less digits than its factorization.

2021040034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51621.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2021040034 is about 44955.9788459778. The cubic root of 2021040034 is about 1264.3237771650.

Adding to 2021040034 its reverse (4300401202), we get a palindrome (6321441236).

The spelling of 2021040034 in words is "two billion, twenty-one million, forty thousand, thirty-four".