544420237858 has 64 divisors (see below), whose sum is σ = 995310021888. Its totient is φ = 218020239360.

The previous prime is 544420237849. The next prime is 544420237859. The reversal of 544420237858 is 858732024445.

It is a super-2 number, since 2×544420237858² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (544420237859) 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, 26568885 + ... + 26589367.

It is an arithmetic number, because the mean of its divisors is an integer number (15551719092).

Almost surely, 2^544420237858 is an apocalyptic number.

544420237858 is a deficient number, since it is larger than the sum of its proper divisors (450889784030).

544420237858 is a wasteful number, since it uses less digits than its factorization.

544420237858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21307.

The product of its (nonzero) digits is 8601600, while the sum is 52.

The spelling of 544420237858 in words is "five hundred forty-four billion, four hundred twenty million, two hundred thirty-seven thousand, eight hundred fifty-eight".