425304052140 has 96 divisors (see below), whose sum is σ = 1375528863744. Its totient is φ = 97039068160.

The previous prime is 425304052133. The next prime is 425304052141. The reversal of 425304052140 is 41250403524.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 425304052098 and 425304052107.

It is not an unprimeable number, because it can be changed into a prime (425304052141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18941724 + ... + 18964163.

It is an arithmetic number, because the mean of its divisors is an integer number (14328425664).

Almost surely, 2^425304052140 is an apocalyptic number.

It is an amenable number.

425304052140 is an abundant number, since it is smaller than the sum of its proper divisors (950224811604).

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

425304052140 is a wasteful number, since it uses less digits than its factorization.

425304052140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37905927 (or 37905925 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 425304052140 its reverse (41250403524), we get a palindrome (466554455664).

The spelling of 425304052140 in words is "four hundred twenty-five billion, three hundred four million, fifty-two thousand, one hundred forty".