11732360640 has 896 divisors, whose sum is σ = 51861841920. Its totient is φ = 2167603200.

The previous prime is 11732360639. The next prime is 11732360659. The reversal of 11732360640 is 4606323711.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 27867630 + ... + 27868050.

It is an arithmetic number, because the mean of its divisors is an integer number (57881520).

Almost surely, 2^11732360640 is an apocalyptic number.

11732360640 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 11732360640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25930920960).

11732360640 is an abundant number, since it is smaller than the sum of its proper divisors (40129481280).

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

11732360640 is a wasteful number, since it uses less digits than its factorization.

11732360640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The spelling of 11732360640 in words is "eleven billion, seven hundred thirty-two million, three hundred sixty thousand, six hundred forty".