4378531040 has 96 divisors (see below), whose sum is σ = 11411922816. Its totient is φ = 1577226240.

The previous prime is 4378531037. The next prime is 4378531043. The reversal of 4378531040 is 401358734.

It is an interprime number because it is at equal distance from previous prime (4378531037) and next prime (4378531043).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4378531043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59609 + ... + 110951.

It is an arithmetic number, because the mean of its divisors is an integer number (118874196).

Almost surely, 2^4378531040 is an apocalyptic number.

4378531040 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 4378531040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5705961408).

4378531040 is an abundant number, since it is smaller than the sum of its proper divisors (7033391776).

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

4378531040 is a wasteful number, since it uses less digits than its factorization.

4378531040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51412 (or 51404 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 4378531040 is about 66170.4695464676. The cubic root of 4378531040 is about 1635.9730469034.

Adding to 4378531040 its reverse (401358734), we get a palindrome (4779889774).

The spelling of 4378531040 in words is "four billion, three hundred seventy-eight million, five hundred thirty-one thousand, forty".