42999054120 has 384 divisors, whose sum is σ = 158652224640. Its totient is φ = 10387491840.

The previous prime is 42999054113. The next prime is 42999054127. The reversal of 42999054120 is 2145099924.

It is an interprime number because it is at equal distance from previous prime (42999054113) and next prime (42999054127).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (42999054127) 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 95 ways as a sum of consecutive naturals, for example, 42446734 + ... + 42447746.

It is an arithmetic number, because the mean of its divisors is an integer number (413156835).

Almost surely, 2^42999054120 is an apocalyptic number.

42999054120 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 42999054120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79326112320).

42999054120 is an abundant number, since it is smaller than the sum of its proper divisors (115653170520).

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

42999054120 is a wasteful number, since it uses less digits than its factorization.

42999054120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447 (or 1431 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 42999054120 in words is "forty-two billion, nine hundred ninety-nine million, fifty-four thousand, one hundred twenty".