5915518230440 has 256 divisors, whose sum is σ = 17247589632000. Its totient is φ = 1773220377600.

The previous prime is 5915518230439. The next prime is 5915518230463. The reversal of 5915518230440 is 440328155195.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 446144531 + ... + 446157789.

It is an arithmetic number, because the mean of its divisors is an integer number (67373397000).

Almost surely, 2^{5915518230440} 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 5915518230440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8623794816000).

5915518230440 is an abundant number, since it is smaller than the sum of its proper divisors (11332071401560).

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

5915518230440 is a wasteful number, since it uses less digits than its factorization.

5915518230440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19760 (or 19756 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 47.

The spelling of 5915518230440 in words is "five trillion, nine hundred fifteen billion, five hundred eighteen million, two hundred thirty thousand, four hundred forty".