10015404240 has 40 divisors (see below), whose sum is σ = 31047753888. Its totient is φ = 2670774400.

The previous prime is 10015404239. The next prime is 10015404247. The reversal of 10015404240 is 4240451001.

It is a happy number.

10015404240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10015404247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20865186 + ... + 20865665.

Almost surely, 2^10015404240 is an apocalyptic number.

10015404240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10015404240 is an abundant number, since it is smaller than the sum of its proper divisors (21032349648).

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

10015404240 is a wasteful number, since it uses less digits than its factorization.

10015404240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41730867 (or 41730861 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 10015404240 its reverse (4240451001), we get a palindrome (14255855241).

The spelling of 10015404240 in words is "ten billion, fifteen million, four hundred four thousand, two hundred forty".