625378144 has 24 divisors (see below), whose sum is σ = 1264491648. Its totient is φ = 304237440.

The previous prime is 625378129. The next prime is 625378213. The reversal of 625378144 is 441873526.

It is a junction number, because it is equal to n+sod(n) for n = 625378097 and 625378106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262912 + ... + 265279.

It is an arithmetic number, because the mean of its divisors is an integer number (52687152).

Almost surely, 2^625378144 is an apocalyptic number.

It is an amenable number.

625378144 is an abundant number, since it is smaller than the sum of its proper divisors (639113504).

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

625378144 is a wasteful number, since it uses less digits than its factorization.

625378144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528238 (or 528230 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 625378144 is about 25007.5617364029. The cubic root of 625378144 is about 855.1603698132.

The spelling of 625378144 in words is "six hundred twenty-five million, three hundred seventy-eight thousand, one hundred forty-four".