42442762040 has 128 divisors (see below), whose sum is σ = 114389314560. Its totient is φ = 13857321984.

The previous prime is 42442762031. The next prime is 42442762073. The reversal of 42442762040 is 4026724424.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1447364 + ... + 1476396.

It is an arithmetic number, because the mean of its divisors is an integer number (893666520).

Almost surely, 2^42442762040 is an apocalyptic number.

42442762040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42442762040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57194657280).

42442762040 is an abundant number, since it is smaller than the sum of its proper divisors (71946552520).

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

42442762040 is a wasteful number, since it uses less digits than its factorization.

42442762040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29301 (or 29297 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 35.

The spelling of 42442762040 in words is "forty-two billion, four hundred forty-two million, seven hundred sixty-two thousand, forty".