4039214440 has 64 divisors (see below), whose sum is σ = 9429120000. Its totient is φ = 1555614720.

The previous prime is 4039214393. The next prime is 4039214441. The reversal of 4039214440 is 444129304.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (4039214441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238576 + ... + 254944.

It is an arithmetic number, because the mean of its divisors is an integer number (147330000).

Almost surely, 2^4039214440 is an apocalyptic number.

4039214440 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 4039214440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4714560000).

4039214440 is an abundant number, since it is smaller than the sum of its proper divisors (5389905560).

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

4039214440 is a wasteful number, since it uses less digits than its factorization.

4039214440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16610 (or 16606 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 4039214440 is about 63554.8144517786. The cubic root of 4039214440 is about 1592.5716121569.

The spelling of 4039214440 in words is "four billion, thirty-nine million, two hundred fourteen thousand, four hundred forty".