15055340240 has 40 divisors (see below), whose sum is σ = 35235506688. Its totient is φ = 5982249600.

The previous prime is 15055340239. The next prime is 15055340297. The reversal of 15055340240 is 4204355051.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611072 + ... + 635231.

Almost surely, 2^15055340240 is an apocalyptic number.

15055340240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15055340240 is an abundant number, since it is smaller than the sum of its proper divisors (20180166448).

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

15055340240 is a wasteful number, since it uses less digits than its factorization.

15055340240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246467 (or 1246461 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 15055340240 its reverse (4204355051), we get a palindrome (19259695291).

The spelling of 15055340240 in words is "fifteen billion, fifty-five million, three hundred forty thousand, two hundred forty".