4013850720 has 144 divisors (see below), whose sum is σ = 13897744560. Its totient is φ = 973040640.

The previous prime is 4013850689. The next prime is 4013850721. The reversal of 4013850720 is 270583104.

It is a super-2 number, since 2×4013850720² = 32221995204889036800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013850721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23526 + ... + 92634.

It is an arithmetic number, because the mean of its divisors is an integer number (96512115).

Almost surely, 2^4013850720 is an apocalyptic number.

4013850720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4013850720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6948872280).

4013850720 is an abundant number, since it is smaller than the sum of its proper divisors (9883893840).

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

4013850720 is a wasteful number, since it uses less digits than its factorization.

4013850720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69149 (or 69130 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 4013850720 is about 63354.9581327302. The cubic root of 4013850720 is about 1589.2311618541.

The spelling of 4013850720 in words is "four billion, thirteen million, eight hundred fifty thousand, seven hundred twenty".