4087471220 has 144 divisors (see below), whose sum is σ = 10675784448. Its totient is φ = 1307496960.

The previous prime is 4087471217. The next prime is 4087471259. The reversal of 4087471220 is 221747804.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 921929 + ... + 926351.

It is an arithmetic number, because the mean of its divisors is an integer number (74137392).

Almost surely, 2^4087471220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4087471220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5337892224).

4087471220 is an abundant number, since it is smaller than the sum of its proper divisors (6588313228).

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

4087471220 is a wasteful number, since it uses less digits than its factorization.

4087471220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510 (or 4501 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 35.

The square root of 4087471220 is about 63933.3341849148. The cubic root of 4087471220 is about 1598.8887100963. Note that the first 3 decimals are identical.

The spelling of 4087471220 in words is "four billion, eighty-seven million, four hundred seventy-one thousand, two hundred twenty".