42942405282 has 24 divisors (see below), whose sum is σ = 99906821136. Its totient is φ = 12269258568.

The previous prime is 42942405221. The next prime is 42942405283. The reversal of 42942405282 is 28250424924.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (42942405283) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 73031008 + ... + 73031595.

It is an arithmetic number, because the mean of its divisors is an integer number (4162784214).

Almost surely, 2^42942405282 is an apocalyptic number.

42942405282 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42942405282 is an abundant number, since it is smaller than the sum of its proper divisors (56964415854).

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

42942405282 is a wasteful number, since it uses less digits than its factorization.

42942405282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146062622 (or 146062615 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 42942405282 in words is "forty-two billion, nine hundred forty-two million, four hundred five thousand, two hundred eighty-two".