1888268652 has 48 divisors (see below), whose sum is σ = 5053440000. Its totient is φ = 609117840.

The previous prime is 1888268633. The next prime is 1888268687. The reversal of 1888268652 is 2568628881.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278652 + ... + 285347.

It is an arithmetic number, because the mean of its divisors is an integer number (105280000).

Almost surely, 2^1888268652 is an apocalyptic number.

1888268652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1888268652 is an abundant number, since it is smaller than the sum of its proper divisors (3165171348).

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

1888268652 is a wasteful number, since it uses less digits than its factorization.

1888268652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564043 (or 564035 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 54.

The square root of 1888268652 is about 43454.2132824885. The cubic root of 1888268652 is about 1236.0079413195.

The spelling of 1888268652 in words is "one billion, eight hundred eighty-eight million, two hundred sixty-eight thousand, six hundred fifty-two".