116569440 has 216 divisors, whose sum is σ = 431645760. Its totient is φ = 28634112.

The previous prime is 116569417. The next prime is 116569457. The reversal of 116569440 is 44965611.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 116569395 and 116569404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 243121 + ... + 243599.

It is an arithmetic number, because the mean of its divisors is an integer number (1998360).

Almost surely, 2^116569440 is an apocalyptic number.

116569440 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 116569440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215822880).

116569440 is an abundant number, since it is smaller than the sum of its proper divisors (315076320).

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

116569440 is a wasteful number, since it uses less digits than its factorization.

116569440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 116569440 is about 10796.7328391509. The cubic root of 116569440 is about 488.4966278075.

The spelling of 116569440 in words is "one hundred sixteen million, five hundred sixty-nine thousand, four hundred forty".