42340012320 has 384 divisors, whose sum is σ = 143844180480. Its totient is φ = 10431037440.

The previous prime is 42340012301. The next prime is 42340012339. The reversal of 42340012320 is 2321004324.

It is an interprime number because it is at equal distance from previous prime (42340012301) and next prime (42340012339).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 160988509 + ... + 160988771.

It is an arithmetic number, because the mean of its divisors is an integer number (374594220).

Almost surely, 2^42340012320 is an apocalyptic number.

42340012320 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 42340012320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71922090240).

42340012320 is an abundant number, since it is smaller than the sum of its proper divisors (101504168160).

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

42340012320 is a wasteful number, since it uses less digits than its factorization.

42340012320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 42340012320 its reverse (2321004324), we get a palindrome (44661016644).

The spelling of 42340012320 in words is "forty-two billion, three hundred forty million, twelve thousand, three hundred twenty".