10903044640 has 24 divisors (see below), whose sum is σ = 25758443340. Its totient is φ = 4361217792.

The previous prime is 10903044613. The next prime is 10903044643. The reversal of 10903044640 is 4644030901.

It can be written as a sum of positive squares in 2 ways, for example, as 10682462736 + 220581904 = 103356^2 + 14852^2 .

It is not an unprimeable number, because it can be changed into a prime (10903044643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34071855 + ... + 34072174.

Almost surely, 2^10903044640 is an apocalyptic number.

10903044640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10903044640 is an abundant number, since it is smaller than the sum of its proper divisors (14855398700).

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

10903044640 is an equidigital number, since it uses as much as digits as its factorization.

10903044640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68144044 (or 68144036 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 10903044640 in words is "ten billion, nine hundred three million, forty-four thousand, six hundred forty".