42321403125 has 96 divisors (see below), whose sum is σ = 79191181440. Its totient is φ = 22334400000.

The previous prime is 42321403051. The next prime is 42321403139. The reversal of 42321403125 is 52130412324.

42321403125 is a `hidden beast` number, since 4 + 232 + 1 + 403 + 1 + 25 = 666.

It is not a de Polignac number, because 42321403125 - 2⁸ = 42321402869 is a prime.

It is a super-2 number, since 2×42321403125² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8181790 + ... + 8186960.

It is an arithmetic number, because the mean of its divisors is an integer number (824908140).

Almost surely, 2^42321403125 is an apocalyptic number.

42321403125 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42321403125 is a deficient number, since it is larger than the sum of its proper divisors (36869778315).

42321403125 is an frugal number, since it uses more digits than its factorization.

42321403125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5302 (or 5276 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 42321403125 its reverse (52130412324), we get a palindrome (94451815449).

The spelling of 42321403125 in words is "forty-two billion, three hundred twenty-one million, four hundred three thousand, one hundred twenty-five".