625055139072 has 1080 divisors, whose sum is σ = 2368374624000. Its totient is φ = 162491277312.

The previous prime is 625055139047. The next prime is 625055139073. The reversal of 625055139072 is 270931550526.

625055139072 is a `hidden beast` number, since 6 + 2 + 5 + 0 + 551 + 3 + 90 + 7 + 2 = 666.

It is a super-2 number, since 2×625055139072² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625055139073) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1043497429 + ... + 1043498027.

Almost surely, 2^625055139072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625055139072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1184187312000).

625055139072 is an abundant number, since it is smaller than the sum of its proper divisors (1743319484928).

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

625055139072 is a wasteful number, since it uses less digits than its factorization.

625055139072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733 (or 703 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 45.

Adding to 625055139072 its reverse (270931550526), we get a palindrome (895986689598).

The spelling of 625055139072 in words is "six hundred twenty-five billion, fifty-five million, one hundred thirty-nine thousand, seventy-two".