425554144 has 24 divisors (see below), whose sum is σ = 857296440. Its totient is φ = 207828096.

The previous prime is 425554139. The next prime is 425554147. The reversal of 425554144 is 441455524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425554147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153259 + ... + 156010.

It is an arithmetic number, because the mean of its divisors is an integer number (35720685).

Almost surely, 2^425554144 is an apocalyptic number.

It is an amenable number.

425554144 is an abundant number, since it is smaller than the sum of its proper divisors (431742296).

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

425554144 is a wasteful number, since it uses less digits than its factorization.

425554144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309322 (or 309314 counting only the distinct ones).

The product of its digits is 64000, while the sum is 34.

The square root of 425554144 is about 20628.9637160959. The cubic root of 425554144 is about 752.1739261202.

The spelling of 425554144 in words is "four hundred twenty-five million, five hundred fifty-four thousand, one hundred forty-four".