5644240534 has 16 divisors (see below), whose sum is σ = 8591804928. Its totient is φ = 2780491752.

The previous prime is 5644240531. The next prime is 5644240561. The reversal of 5644240534 is 4350424465.

It is a super-3 number, since 3×5644240534³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5644240493 and 5644240502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5644240531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14599 + ... + 107245.

It is an arithmetic number, because the mean of its divisors is an integer number (536987808).

Almost surely, 2^5644240534 is an apocalyptic number.

5644240534 is a deficient number, since it is larger than the sum of its proper divisors (2947564394).

5644240534 is a wasteful number, since it uses less digits than its factorization.

5644240534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93099.

The product of its (nonzero) digits is 230400, while the sum is 37.

The square root of 5644240534 is about 75128.1607255229. The cubic root of 5644240534 is about 1780.4720935653.

Adding to 5644240534 its reverse (4350424465), we get a palindrome (9994664999).

The spelling of 5644240534 in words is "five billion, six hundred forty-four million, two hundred forty thousand, five hundred thirty-four".