4190021280 has 144 divisors (see below), whose sum is σ = 15139621224. Its totient is φ = 1051607040.

The previous prime is 4190021267. The next prime is 4190021323. The reversal of 4190021280 is 821200914.

It can be written as a sum of positive squares in 4 ways, for example, as 2891427984 + 1298593296 = 53772^2 + 36036^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61101 + ... + 110060.

Almost surely, 2^4190021280 is an apocalyptic number.

4190021280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4190021280 is an abundant number, since it is smaller than the sum of its proper divisors (10949599944).

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

4190021280 is a wasteful number, since it uses less digits than its factorization.

4190021280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171199 (or 171188 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 4190021280 is about 64730.3737050853. The cubic root of 4190021280 is about 1612.1498587147.

The spelling of 4190021280 in words is "four billion, one hundred ninety million, twenty-one thousand, two hundred eighty".