5644240615 has 8 divisors (see below), whose sum is σ = 7294095648. Its totient is φ = 4168054560.

The previous prime is 5644240603. The next prime is 5644240619. The reversal of 5644240615 is 5160424465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5644240615 - 2¹⁵ = 5644207847 is a prime.

It is a super-3 number, since 3×5644240615³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5644240619) 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, 43417171 + ... + 43417300.

It is an arithmetic number, because the mean of its divisors is an integer number (911761956).

Almost surely, 2^5644240615 is an apocalyptic number.

5644240615 is a deficient number, since it is larger than the sum of its proper divisors (1649855033).

5644240615 is a wasteful number, since it uses less digits than its factorization.

5644240615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86834489.

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 5644240615 is about 75128.1612646017. The cubic root of 5644240615 is about 1780.4721020824.

The spelling of 5644240615 in words is "five billion, six hundred forty-four million, two hundred forty thousand, six hundred fifteen".