42142634440 has 64 divisors (see below), whose sum is σ = 97422393600. Its totient is φ = 16394934528.

The previous prime is 42142634383. The next prime is 42142634509. The reversal of 42142634440 is 4443624124.

It is a super-2 number, since 2×42142634440² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42142634396 and 42142634405.

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 15 ways as a sum of consecutive naturals, for example, 5571381 + ... + 5578939.

It is an arithmetic number, because the mean of its divisors is an integer number (1522224900).

Almost surely, 2^42142634440 is an apocalyptic number.

42142634440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42142634440 is an abundant number, since it is smaller than the sum of its proper divisors (55279759160).

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

42142634440 is a wasteful number, since it uses less digits than its factorization.

42142634440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11374 (or 11370 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

The spelling of 42142634440 in words is "forty-two billion, one hundred forty-two million, six hundred thirty-four thousand, four hundred forty".