442140125155554 has 16 divisors (see below), whose sum is σ = 1010606000355648. Its totient is φ = 126325750044432.

The previous prime is 442140125155549. The next prime is 442140125155567. The reversal of 442140125155554 is 455551521041244.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5263572918477 + ... + 5263572918560.

It is an arithmetic number, because the mean of its divisors is an integer number (63162875022228).

Almost surely, 2^{442140125155554} is an apocalyptic number.

442140125155554 is an abundant number, since it is smaller than the sum of its proper divisors (568465875200094).

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

442140125155554 is a wasteful number, since it uses less digits than its factorization.

442140125155554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10527145837049.

The product of its (nonzero) digits is 3200000, while the sum is 48.

Adding to 442140125155554 its reverse (455551521041244), we get a palindrome (897691646196798).

The spelling of 442140125155554 in words is "four hundred forty-two trillion, one hundred forty billion, one hundred twenty-five million, one hundred fifty-five thousand, five hundred fifty-four".