11840926464 has 144 divisors (see below), whose sum is σ = 36859043200. Its totient is φ = 3739198464.

The previous prime is 11840926421. The next prime is 11840926507. The reversal of 11840926464 is 46462904811.

11840926464 is a `hidden beast` number, since 1 + 184 + 0 + 9 + 2 + 6 + 464 = 666.

It is an interprime number because it is at equal distance from previous prime (11840926421) and next prime (11840926507).

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86247 + ... + 176409.

Almost surely, 2^11840926464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11840926464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18429521600).

11840926464 is an abundant number, since it is smaller than the sum of its proper divisors (25018116736).

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

11840926464 is an equidigital number, since it uses as much as digits as its factorization.

11840926464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90207 (or 90187 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 11840926464 in words is "eleven billion, eight hundred forty million, nine hundred twenty-six thousand, four hundred sixty-four".