425555140 has 24 divisors (see below), whose sum is σ = 894059712. Its totient is φ = 170147040.

The previous prime is 425555129. The next prime is 425555153. The reversal of 425555140 is 41555524.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74175 + ... + 79705.

It is an arithmetic number, because the mean of its divisors is an integer number (37252488).

Almost surely, 2^425555140 is an apocalyptic number.

It is an amenable number.

425555140 is an abundant number, since it is smaller than the sum of its proper divisors (468504572).

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

425555140 is a wasteful number, since it uses less digits than its factorization.

425555140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9387 (or 9385 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 425555140 is about 20628.9878568969. The cubic root of 425555140 is about 752.1745129352.

It can be divided in two parts, 4255 and 55140, that added together give a palindrome (59395).

The spelling of 425555140 in words is "four hundred twenty-five million, five hundred fifty-five thousand, one hundred forty".