42924391020 has 288 divisors, whose sum is σ = 155734488000. Its totient is φ = 9786728448.

The previous prime is 42924391019. The next prime is 42924391039. The reversal of 42924391020 is 2019342924.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11878734 + ... + 11882346.

It is an arithmetic number, because the mean of its divisors is an integer number (540744750).

Almost surely, 2^42924391020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42924391020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77867244000).

42924391020 is an abundant number, since it is smaller than the sum of its proper divisors (112810096980).

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

42924391020 is a wasteful number, since it uses less digits than its factorization.

42924391020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4094 (or 4079 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 42924391020 in words is "forty-two billion, nine hundred twenty-four million, three hundred ninety-one thousand, twenty".