625224135000 has 160 divisors (see below), whose sum is σ = 1955107915200. Its totient is φ = 166563600000.

The previous prime is 625224134987. The next prime is 625224135001. The reversal of 625224135000 is 531422526.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625224135001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15745171 + ... + 15784829.

It is an arithmetic number, because the mean of its divisors is an integer number (12219424470).

Almost surely, 2^625224135000 is an apocalyptic number.

625224135000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625224135000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (977553957600).

625224135000 is an abundant number, since it is smaller than the sum of its proper divisors (1329883780200).

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

625224135000 is a wasteful number, since it uses less digits than its factorization.

625224135000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40739 (or 40720 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 625224135000 its reverse (531422526), we get a palindrome (625755557526).

The spelling of 625224135000 in words is "six hundred twenty-five billion, two hundred twenty-four million, one hundred thirty-five thousand".