2021535480 has 64 divisors (see below), whose sum is σ = 6273741600. Its totient is φ = 520486400.

The previous prime is 2021535469. The next prime is 2021535493. The reversal of 2021535480 is 845351202.

It is a super-3 number, since 3×2021535480³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 286971 + ... + 293930.

Almost surely, 2^2021535480 is an apocalyptic number.

2021535480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021535480 is an abundant number, since it is smaller than the sum of its proper divisors (4252206120).

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

2021535480 is a wasteful number, since it uses less digits than its factorization.

2021535480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580944 (or 580940 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 2021535480 is about 44961.4888543518. The cubic root of 2021535480 is about 1264.4270825537.

Adding to 2021535480 its reverse (845351202), we get a palindrome (2866886682).

The spelling of 2021535480 in words is "two billion, twenty-one million, five hundred thirty-five thousand, four hundred eighty".