10040320240 has 20 divisors (see below), whose sum is σ = 23343744744. Its totient is φ = 4016128064.

The previous prime is 10040320229. The next prime is 10040320253. The reversal of 10040320240 is 4202304001.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62751922 + ... + 62752081.

Almost surely, 2^10040320240 is an apocalyptic number.

10040320240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10040320240 is an abundant number, since it is smaller than the sum of its proper divisors (13303424504).

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

10040320240 is a wasteful number, since it uses less digits than its factorization.

10040320240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125504016 (or 125504010 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 10040320240 its reverse (4202304001), we get a palindrome (14242624241).

The spelling of 10040320240 in words is "ten billion, forty million, three hundred twenty thousand, two hundred forty".