4180906620 has 144 divisors (see below), whose sum is σ = 14129676288. Its totient is φ = 991966080.

The previous prime is 4180906591. The next prime is 4180906637. The reversal of 4180906620 is 266090814.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 70597 + ... + 115523.

It is an arithmetic number, because the mean of its divisors is an integer number (98122752).

Almost surely, 2^4180906620 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 4180906620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7064838144).

4180906620 is an abundant number, since it is smaller than the sum of its proper divisors (9948769668).

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

4180906620 is a wasteful number, since it uses less digits than its factorization.

4180906620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45000 (or 44995 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 4180906620 is about 64659.9305598142. The cubic root of 4180906620 is about 1610.9800265005.

The spelling of 4180906620 in words is "four billion, one hundred eighty million, nine hundred six thousand, six hundred twenty".