8879005440 has 324 divisors, whose sum is σ = 31629236184. Its totient is φ = 2299650048.

The previous prime is 8879005433. The next prime is 8879005453. The reversal of 8879005440 is 445009788.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15770599 + ... + 15771161.

Almost surely, 2^8879005440 is an apocalyptic number.

8879005440 is a gapful number since it is divisible by the number (80) 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 8879005440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15814618092).

8879005440 is an abundant number, since it is smaller than the sum of its proper divisors (22750230744).

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

8879005440 is a wasteful number, since it uses less digits than its factorization.

8879005440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 8879005440 is about 94228.4746772439. The cubic root of 8879005440 is about 2070.7202982329.

The spelling of 8879005440 in words is "eight billion, eight hundred seventy-nine million, five thousand, four hundred forty".