11448873640 has 16 divisors (see below), whose sum is σ = 25759965780. Its totient is φ = 4579549440.

The previous prime is 11448873617. The next prime is 11448873641. The reversal of 11448873640 is 4637884411.

It can be written as a sum of positive squares in 2 ways, for example, as 9339676164 + 2109197476 = 96642^2 + 45926^2 .

It is not an unprimeable number, because it can be changed into a prime (11448873641) 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, 143110881 + ... + 143110960.

Almost surely, 2^11448873640 is an apocalyptic number.

11448873640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11448873640 is an abundant number, since it is smaller than the sum of its proper divisors (14311092140).

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

11448873640 is a wasteful number, since it uses less digits than its factorization.

11448873640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286221852 (or 286221848 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 46.

The spelling of 11448873640 in words is "eleven billion, four hundred forty-eight million, eight hundred seventy-three thousand, six hundred forty".