3625522780 has 24 divisors (see below), whose sum is σ = 8305743600. Its totient is φ = 1318371840.

The previous prime is 3625522777. The next prime is 3625522787. The reversal of 3625522780 is 872255263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3625522787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8239605 + ... + 8240044.

It is an arithmetic number, because the mean of its divisors is an integer number (346072650).

Almost surely, 2^3625522780 is an apocalyptic number.

It is an amenable number.

3625522780 is an abundant number, since it is smaller than the sum of its proper divisors (4680220820).

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

3625522780 is a wasteful number, since it uses less digits than its factorization.

3625522780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16479669 (or 16479667 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 3625522780 is about 60212.3141890428. The cubic root of 3625522780 is about 1536.2322550768.

The spelling of 3625522780 in words is "three billion, six hundred twenty-five million, five hundred twenty-two thousand, seven hundred eighty".