42026646546644 has 12 divisors (see below), whose sum is σ = 76744311085344. Its totient is φ = 20099700522264.

The previous prime is 42026646546629. The next prime is 42026646546649. The reversal of 42026646546644 is 44664564662024.

It is a happy number.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42026646546649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228405687662 + ... + 228405687845.

It is an arithmetic number, because the mean of its divisors is an integer number (6395359257112).

Almost surely, 2^{42026646546644} is an apocalyptic number.

It is an amenable number.

42026646546644 is a deficient number, since it is larger than the sum of its proper divisors (34717664538700).

42026646546644 is a wasteful number, since it uses less digits than its factorization.

42026646546644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456811375534 (or 456811375532 counting only the distinct ones).

The product of its (nonzero) digits is 159252480, while the sum is 59.

The spelling of 42026646546644 in words is "forty-two trillion, twenty-six billion, six hundred forty-six million, five hundred forty-six thousand, six hundred forty-four".