42124443403 has 16 divisors (see below), whose sum is σ = 50537502720. Its totient is φ = 34349688000.

The previous prime is 42124443371. The next prime is 42124443451. The reversal of 42124443403 is 30434442124.

It is a cyclic number.

It is not a de Polignac number, because 42124443403 - 2⁵ = 42124443371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42124443703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1632298 + ... + 1657903.

It is an arithmetic number, because the mean of its divisors is an integer number (3158593920).

Almost surely, 2^42124443403 is an apocalyptic number.

42124443403 is a deficient number, since it is larger than the sum of its proper divisors (8413059317).

42124443403 is a wasteful number, since it uses less digits than its factorization.

42124443403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290298.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 42124443403 its reverse (30434442124), we get a palindrome (72558885527).

The spelling of 42124443403 in words is "forty-two billion, one hundred twenty-four million, four hundred forty-three thousand, four hundred three".