4020537280 has 56 divisors (see below), whose sum is σ = 9580918608. Its totient is φ = 1607036928.

The previous prime is 4020537277. The next prime is 4020537289. The reversal of 4020537280 is 827350204.

4020537280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020537289) 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, 529672 + ... + 537208.

Almost surely, 2^4020537280 is an apocalyptic number.

4020537280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4020537280 is an abundant number, since it is smaller than the sum of its proper divisors (5560381328).

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

4020537280 is a wasteful number, since it uses less digits than its factorization.

4020537280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9221 (or 9211 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 4020537280 is about 63407.7067871091. The cubic root of 4020537280 is about 1590.1131573014.

Adding to 4020537280 its reverse (827350204), we get a palindrome (4847887484).

The spelling of 4020537280 in words is "four billion, twenty million, five hundred thirty-seven thousand, two hundred eighty".