11363389440 has 416 divisors, whose sum is σ = 40225804416. Its totient is φ = 2721054720.

The previous prime is 11363389391. The next prime is 11363389459. The reversal of 11363389440 is 4498336311.

It is a tau number, because it is divible by the number of its divisors (416).

It is a junction number, because it is equal to n+sod(n) for n = 11363389392 and 11363389401.

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, 32747347 + ... + 32747693.

Almost surely, 2^11363389440 is an apocalyptic number.

11363389440 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 11363389440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20112902208).

11363389440 is an abundant number, since it is smaller than the sum of its proper divisors (28862414976).

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

11363389440 is a wasteful number, since it uses less digits than its factorization.

11363389440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 11363389440 in words is "eleven billion, three hundred sixty-three million, three hundred eighty-nine thousand, four hundred forty".