42002102024 has 8 divisors (see below), whose sum is σ = 78753941310. Its totient is φ = 21001051008.

The previous prime is 42002102003. The next prime is 42002102047. The reversal of 42002102024 is 42020120024.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 37164899524 + 4837202500 = 192782^2 + 69550^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 42002101993 and 42002102011.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625131369 + ... + 2625131384.

Almost surely, 2^42002102024 is an apocalyptic number.

It is an amenable number.

42002102024 is a deficient number, since it is larger than the sum of its proper divisors (36751839286).

42002102024 is a wasteful number, since it uses less digits than its factorization.

42002102024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250262759 (or 5250262755 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 42002102024 its reverse (42020120024), we get a palindrome (84022222048).

The spelling of 42002102024 in words is "forty-two billion, two million, one hundred two thousand, twenty-four".