4378601240 has 128 divisors (see below), whose sum is σ = 10826524800. Its totient is φ = 1583984640.

The previous prime is 4378601239. The next prime is 4378601261. The reversal of 4378601240 is 421068734.

It is a Cunningham number, because it is equal to 66171²-1.

It is a self number, because there is not a number n which added to its sum of digits gives 4378601240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8602106 + ... + 8602614.

It is an arithmetic number, because the mean of its divisors is an integer number (84582225).

Almost surely, 2^4378601240 is an apocalyptic number.

4378601240 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 4378601240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5413262400).

4378601240 is an abundant number, since it is smaller than the sum of its proper divisors (6447923560).

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

4378601240 is a wasteful number, since it uses less digits than its factorization.

4378601240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 4378601240 is about 66170.9999924438. Note that the first 5 decimals coincide. The cubic root of 4378601240 is about 1635.9817899189.

Adding to 4378601240 its reverse (421068734), we get a palindrome (4799669974).

The spelling of 4378601240 in words is "four billion, three hundred seventy-eight million, six hundred one thousand, two hundred forty".