42024431401 has 4 divisors (see below), whose sum is σ = 44236243600. Its totient is φ = 39812619204.

The previous prime is 42024431381. The next prime is 42024431411. The reversal of 42024431401 is 10413442024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42024431401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42024431411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105906071 + ... + 1105906108.

It is an arithmetic number, because the mean of its divisors is an integer number (11059060900).

Almost surely, 2^42024431401 is an apocalyptic number.

It is an amenable number.

42024431401 is a deficient number, since it is larger than the sum of its proper divisors (2211812199).

42024431401 is a wasteful number, since it uses less digits than its factorization.

42024431401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211812198.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 42024431401 its reverse (10413442024), we get a palindrome (52437873425).

The spelling of 42024431401 in words is "forty-two billion, twenty-four million, four hundred thirty-one thousand, four hundred one".