1988625060 has 48 divisors (see below), whose sum is σ = 6186835200. Its totient is φ = 530299872.

The previous prime is 1988625049. The next prime is 1988625061. The reversal of 1988625060 is 605268891.

1988625060 is a `hidden beast` number, since 1 + 9 + 88 + 62 + 506 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 1988624997 and 1988625015.

It is not an unprimeable number, because it can be changed into a prime (1988625061) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1840780 + ... + 1841859.

It is an arithmetic number, because the mean of its divisors is an integer number (128892400).

Almost surely, 2^1988625060 is an apocalyptic number.

1988625060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1988625060 is an abundant number, since it is smaller than the sum of its proper divisors (4198210140).

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

1988625060 is a wasteful number, since it uses less digits than its factorization.

1988625060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682657 (or 3682649 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 1988625060 is about 44594.0025115486. The cubic root of 1988625060 is about 1257.5279194673.

The spelling of 1988625060 in words is "one billion, nine hundred eighty-eight million, six hundred twenty-five thousand, sixty".