5646012240 has 160 divisors (see below), whose sum is σ = 19500466176. Its totient is φ = 1339578880.

The previous prime is 5646012223. The next prime is 5646012247. The reversal of 5646012240 is 422106465.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5646012198 and 5646012207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5646012247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101329 + ... + 146831.

Almost surely, 2^5646012240 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 5646012240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9750233088).

5646012240 is an abundant number, since it is smaller than the sum of its proper divisors (13854453936).

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

5646012240 is a wasteful number, since it uses less digits than its factorization.

5646012240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45577 (or 45571 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 5646012240 is about 75139.9510247378. The cubic root of 5646012240 is about 1780.6583685873.

The spelling of 5646012240 in words is "five billion, six hundred forty-six million, twelve thousand, two hundred forty".