5155414440 has 128 divisors (see below), whose sum is σ = 16914165120. Its totient is φ = 1246694400.

The previous prime is 5155414423. The next prime is 5155414489. The reversal of 5155414440 is 444145515.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a nialpdrome in base 12.

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, 551082 + ... + 560358.

It is an arithmetic number, because the mean of its divisors is an integer number (132141915).

Almost surely, 2^5155414440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5155414440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8457082560).

5155414440 is an abundant number, since it is smaller than the sum of its proper divisors (11758750680).

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

5155414440 is a wasteful number, since it uses less digits than its factorization.

5155414440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9723 (or 9719 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 5155414440 is about 71801.2147529553. The cubic root of 5155414440 is about 1727.5124841064.

Adding to 5155414440 its reverse (444145515), we get a palindrome (5599559955).

The spelling of 5155414440 in words is "five billion, one hundred fifty-five million, four hundred fourteen thousand, four hundred forty".