544437642 has 16 divisors (see below), whose sum is σ = 1244428992. Its totient is φ = 155553600.

The previous prime is 544437617. The next prime is 544437659. The reversal of 544437642 is 246734445.

It is a self number, because there is not a number n which added to its sum of digits gives 544437642.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6481359 + ... + 6481442.

It is an arithmetic number, because the mean of its divisors is an integer number (77776812).

Almost surely, 2^544437642 is an apocalyptic number.

544437642 is an abundant number, since it is smaller than the sum of its proper divisors (699991350).

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

544437642 is a wasteful number, since it uses less digits than its factorization.

544437642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12962813.

The product of its digits is 322560, while the sum is 39.

The square root of 544437642 is about 23333.1875662114. The cubic root of 544437642 is about 816.5498714736.

The spelling of 544437642 in words is "five hundred forty-four million, four hundred thirty-seven thousand, six hundred forty-two".