11437592640 has 224 divisors, whose sum is σ = 38470149120. Its totient is φ = 2871023616.

The previous prime is 11437592627. The next prime is 11437592671. The reversal of 11437592640 is 4629573411.

It is a junction number, because it is equal to n+sod(n) for n = 11437592592 and 11437592601.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2971197 + ... + 2975043.

Almost surely, 2^11437592640 is an apocalyptic number.

11437592640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11437592640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19235074560).

11437592640 is an abundant number, since it is smaller than the sum of its proper divisors (27032556480).

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

11437592640 is a wasteful number, since it uses less digits than its factorization.

11437592640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4049 (or 4039 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 11437592640 in words is "eleven billion, four hundred thirty-seven million, five hundred ninety-two thousand, six hundred forty".