5540144564 has 48 divisors (see below), whose sum is σ = 10393790400. Its totient is φ = 2576318976.

The previous prime is 5540144563. The next prime is 5540144567. The reversal of 5540144564 is 4654410455.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5540144563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 915902 + ... + 921930.

It is an arithmetic number, because the mean of its divisors is an integer number (216537300).

Almost surely, 2^5540144564 is an apocalyptic number.

It is an amenable number.

5540144564 is a deficient number, since it is larger than the sum of its proper divisors (4853645836).

5540144564 is a wasteful number, since it uses less digits than its factorization.

5540144564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6272 (or 6270 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

The square root of 5540144564 is about 74432.1473827002. The cubic root of 5540144564 is about 1769.4584364628.

The spelling of 5540144564 in words is "five billion, five hundred forty million, one hundred forty-four thousand, five hundred sixty-four".