1875380440 has 64 divisors (see below), whose sum is σ = 4444450560. Its totient is φ = 710793600.

The previous prime is 1875380387. The next prime is 1875380453. The reversal of 1875380440 is 440835781.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1875380393 and 1875380402.

It is a congruent number.

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, 88915 + ... + 107965.

It is an arithmetic number, because the mean of its divisors is an integer number (69444540).

Almost surely, 2^1875380440 is an apocalyptic number.

1875380440 is a gapful number since it is divisible by the number (10) 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 1875380440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2222225280).

1875380440 is an abundant number, since it is smaller than the sum of its proper divisors (2569070120).

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

1875380440 is a wasteful number, since it uses less digits than its factorization.

1875380440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19192 (or 19188 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 1875380440 is about 43305.6629091393. The cubic root of 1875380440 is about 1233.1894311449.

The spelling of 1875380440 in words is "one billion, eight hundred seventy-five million, three hundred eighty thousand, four hundred forty".