42143455044 has 72 divisors (see below), whose sum is σ = 107291620800. Its totient is φ = 13947595200.

The previous prime is 42143455009. The next prime is 42143455051. The reversal of 42143455044 is 44055434124.

42143455044 is a `hidden beast` number, since 4 + 2 + 143 + 4 + 5 + 504 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3511534 + ... + 3523514.

It is an arithmetic number, because the mean of its divisors is an integer number (1490161400).

Almost surely, 2^42143455044 is an apocalyptic number.

It is an amenable number.

42143455044 is an abundant number, since it is smaller than the sum of its proper divisors (65148165756).

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

42143455044 is a wasteful number, since it uses less digits than its factorization.

42143455044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12681 (or 12676 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 42143455044 its reverse (44055434124), we get a palindrome (86198889168).

The spelling of 42143455044 in words is "forty-two billion, one hundred forty-three million, four hundred fifty-five thousand, forty-four".