425602431100 has 648 divisors, whose sum is σ = 1248852412080. Its totient is φ = 124411392000.

The previous prime is 425602431077. The next prime is 425602431101. The reversal of 425602431100 is 1134206524.

It is a super-2 number, since 2×425602431100² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425602431101) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 1858525786 + ... + 1858526014.

Almost surely, 2^425602431100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425602431100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624426206040).

425602431100 is an abundant number, since it is smaller than the sum of its proper divisors (823249980980).

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

425602431100 is a wasteful number, since it uses less digits than its factorization.

425602431100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 425602431100 its reverse (1134206524), we get a palindrome (426736637624).

The spelling of 425602431100 in words is "four hundred twenty-five billion, six hundred two million, four hundred thirty-one thousand, one hundred".