15004012240 has 40 divisors (see below), whose sum is σ = 39867805440. Its totient is φ = 5144232576.

The previous prime is 15004012229. The next prime is 15004012271. The reversal of 15004012240 is 4221040051.

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

It is a super-3 number, since 3×15004012240³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13395880 + ... + 13396999.

It is an arithmetic number, because the mean of its divisors is an integer number (996695136).

Almost surely, 2^15004012240 is an apocalyptic number.

15004012240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15004012240 is an abundant number, since it is smaller than the sum of its proper divisors (24863793200).

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

15004012240 is a wasteful number, since it uses less digits than its factorization.

15004012240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26792899 (or 26792893 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 15004012240 its reverse (4221040051), we get a palindrome (19225052291).

The spelling of 15004012240 in words is "fifteen billion, four million, twelve thousand, two hundred forty".