627660294420 has 96 divisors (see below), whose sum is σ = 1774390665600. Its totient is φ = 165763485184.

The previous prime is 627660294409. The next prime is 627660294433. The reversal of 627660294420 is 24492066726.

It is a self number, because there is not a number n which added to its sum of digits gives 627660294420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25597126 + ... + 25621634.

It is an arithmetic number, because the mean of its divisors is an integer number (18483236100).

Almost surely, 2^627660294420 is an apocalyptic number.

627660294420 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 627660294420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (887195332800).

627660294420 is an abundant number, since it is smaller than the sum of its proper divisors (1146730371180).

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

627660294420 is a wasteful number, since it uses less digits than its factorization.

627660294420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28617 (or 28615 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 627660294420 in words is "six hundred twenty-seven billion, six hundred sixty million, two hundred ninety-four thousand, four hundred twenty".