42021612024 has 32 divisors (see below), whose sum is σ = 120061749120. Its totient is φ = 12006174816.

The previous prime is 42021611969. The next prime is 42021612071.

It is a happy number.

42021612024 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 42021611985 and 42021612003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125064154 + ... + 125064489.

It is an arithmetic number, because the mean of its divisors is an integer number (3751929660).

Almost surely, 2^42021612024 is an apocalyptic number.

It is an amenable number.

42021612024 is an abundant number, since it is smaller than the sum of its proper divisors (78040137096).

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

42021612024 is a wasteful number, since it uses less digits than its factorization.

42021612024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250128659 (or 250128655 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The spelling of 42021612024 in words is "forty-two billion, twenty-one million, six hundred twelve thousand, twenty-four".