11939466240 has 528 divisors, whose sum is σ = 46941804000. Its totient is φ = 2781609984.

The previous prime is 11939466233. The next prime is 11939466247. The reversal of 11939466240 is 4266493911.

11939466240 is a `hidden beast` number, since 1 + 19 + 3 + 9 + 4 + 6 + 624 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (11939466233) and next prime (11939466247).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (11939466247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11381236 + ... + 11382284.

Almost surely, 2^11939466240 is an apocalyptic number.

11939466240 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 11939466240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23470902000).

11939466240 is an abundant number, since it is smaller than the sum of its proper divisors (35002337760).

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

11939466240 is a wasteful number, since it uses less digits than its factorization.

11939466240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112 (or 1091 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 11939466240 in words is "eleven billion, nine hundred thirty-nine million, four hundred sixty-six thousand, two hundred forty".