15155200240 has 40 divisors (see below), whose sum is σ = 35278911648. Its totient is φ = 6054670080.

The previous prime is 15155200199. The next prime is 15155200279. The reversal of 15155200240 is 4200255151.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49692 + ... + 181051.

Almost surely, 2^15155200240 is an apocalyptic number.

15155200240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15155200240 is an abundant number, since it is smaller than the sum of its proper divisors (20123711408).

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

15155200240 is a wasteful number, since it uses less digits than its factorization.

15155200240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231577 (or 231571 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 15155200240 its reverse (4200255151), we get a palindrome (19355455391).

The spelling of 15155200240 in words is "fifteen billion, one hundred fifty-five million, two hundred thousand, two hundred forty".