2021152404 has 24 divisors (see below), whose sum is σ = 4744959520. Its totient is φ = 669583584.

The previous prime is 2021152391. The next prime is 2021152411. The reversal of 2021152404 is 4042511202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514699 + ... + 518610.

Almost surely, 2^2021152404 is an apocalyptic number.

It is an amenable number.

2021152404 is an abundant number, since it is smaller than the sum of its proper divisors (2723807116).

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

2021152404 is a wasteful number, since it uses less digits than its factorization.

2021152404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033479 (or 1033477 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2021152404 is about 44957.2286067547. The cubic root of 2021152404 is about 1264.3472089011.

Adding to 2021152404 its reverse (4042511202), we get a palindrome (6063663606).

The spelling of 2021152404 in words is "two billion, twenty-one million, one hundred fifty-two thousand, four hundred four".