1875532428 has 432 divisors, whose sum is σ = 6495400800. Its totient is φ = 465696000.

The previous prime is 1875532423. The next prime is 1875532433. The reversal of 1875532428 is 8242355781.

1875532428 is a `hidden beast` number, since 1 + 8 + 75 + 532 + 42 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (1875532423) and next prime (1875532433).

It is not an unprimeable number, because it can be changed into a prime (1875532423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 18569578 + ... + 18569678.

It is an arithmetic number, because the mean of its divisors is an integer number (15035650).

Almost surely, 2^1875532428 is an apocalyptic number.

1875532428 is a gapful number since it is divisible by the number (18) 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 1875532428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3247700400).

1875532428 is an abundant number, since it is smaller than the sum of its proper divisors (4619868372).

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

1875532428 is a wasteful number, since it uses less digits than its factorization.

1875532428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 153 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 1875532428 is about 43307.4177018210. The cubic root of 1875532428 is about 1233.2227443736. Note that the first 3 decimals are identical.

It can be divided in two parts, 187553 and 2428, that added together give a palindrome (189981).

The spelling of 1875532428 in words is "one billion, eight hundred seventy-five million, five hundred thirty-two thousand, four hundred twenty-eight".