42200400425 has 6 divisors (see below), whose sum is σ = 52328496558. Its totient is φ = 33760320320.

The previous prime is 42200400413. The next prime is 42200400439. The reversal of 42200400425 is 52400400224.

It can be written as a sum of positive squares in 3 ways, for example, as 10651891264 + 31548509161 = 103208^2 + 177619^2 .

It is not a de Polignac number, because 42200400425 - 2²⁶ = 42133291561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42200400425.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 844007984 + ... + 844008033.

It is an arithmetic number, because the mean of its divisors is an integer number (8721416093).

Almost surely, 2^42200400425 is an apocalyptic number.

It is an amenable number.

42200400425 is a deficient number, since it is larger than the sum of its proper divisors (10128096133).

42200400425 is a wasteful number, since it uses less digits than its factorization.

42200400425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688016027 (or 1688016022 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

Adding to 42200400425 its reverse (52400400224), we get a palindrome (94600800649).

The spelling of 42200400425 in words is "forty-two billion, two hundred million, four hundred thousand, four hundred twenty-five".