42305505040 has 80 divisors (see below), whose sum is σ = 105401253888. Its totient is φ = 15734847488.

The previous prime is 42305505037. The next prime is 42305505043. The reversal of 42305505040 is 4050550324.

It is an interprime number because it is at equal distance from previous prime (42305505037) and next prime (42305505043).

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (42305505043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74512 + ... + 300271.

Almost surely, 2^42305505040 is an apocalyptic number.

42305505040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42305505040 is an abundant number, since it is smaller than the sum of its proper divisors (63095748848).

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

42305505040 is a wasteful number, since it uses less digits than its factorization.

42305505040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374896 (or 374890 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The spelling of 42305505040 in words is "forty-two billion, three hundred five million, five hundred five thousand, forty".