4421287240 has 64 divisors (see below), whose sum is σ = 10991064960. Its totient is φ = 1592110080.

The previous prime is 4421287231. The next prime is 4421287271. The reversal of 4421287240 is 427821244.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 4421287196 and 4421287205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125706 + ... + 156985.

It is an arithmetic number, because the mean of its divisors is an integer number (171735390).

Almost surely, 2^4421287240 is an apocalyptic number.

4421287240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4421287240 is an abundant number, since it is smaller than the sum of its proper divisors (6569777720).

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

4421287240 is a wasteful number, since it uses less digits than its factorization.

4421287240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282742 (or 282738 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 34.

The square root of 4421287240 is about 66492.7608089783. The cubic root of 4421287240 is about 1641.2808801657.

The spelling of 4421287240 in words is "four billion, four hundred twenty-one million, two hundred eighty-seven thousand, two hundred forty".