42402021424 has 60 divisors (see below), whose sum is σ = 96718356504. Its totient is φ = 17953324032.

The previous prime is 42402021413. The next prime is 42402021437. The reversal of 42402021424 is 42412020424.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 260737 + ... + 390880.

Almost surely, 2^42402021424 is an apocalyptic number.

It is an amenable number.

42402021424 is an abundant number, since it is smaller than the sum of its proper divisors (54316335080).

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

42402021424 is a wasteful number, since it uses less digits than its factorization.

42402021424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651722 (or 651709 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 42402021424 its reverse (42412020424), we get a palindrome (84814041848).

The spelling of 42402021424 in words is "forty-two billion, four hundred two million, twenty-one thousand, four hundred twenty-four".