15051340440 has 48 divisors (see below), whose sum is σ = 48916857600. Its totient is φ = 4013690688.

The previous prime is 15051340427. The next prime is 15051340459. The reversal of 15051340440 is 4404315051.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20904280 + ... + 20904999.

It is an arithmetic number, because the mean of its divisors is an integer number (1019101200).

Almost surely, 2^15051340440 is an apocalyptic number.

15051340440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15051340440 is an abundant number, since it is smaller than the sum of its proper divisors (33865517160).

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

15051340440 is a wasteful number, since it uses less digits than its factorization.

15051340440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41809296 (or 41809289 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 15051340440 its reverse (4404315051), we get a palindrome (19455655491).

The spelling of 15051340440 in words is "fifteen billion, fifty-one million, three hundred forty thousand, four hundred forty".