1850275440 has 320 divisors, whose sum is σ = 6929556480. Its totient is φ = 451077120.

The previous prime is 1850275433. The next prime is 1850275451. The reversal of 1850275440 is 445720581.

1850275440 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1850275395 and 1850275404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3678229 + ... + 3678731.

It is an arithmetic number, because the mean of its divisors is an integer number (21654864).

Almost surely, 2^1850275440 is an apocalyptic number.

1850275440 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 1850275440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3464778240).

1850275440 is an abundant number, since it is smaller than the sum of its proper divisors (5079281040).

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

1850275440 is a wasteful number, since it uses less digits than its factorization.

1850275440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 1850275440 is about 43014.8281410027. The cubic root of 1850275440 is about 1227.6619475700.

The spelling of 1850275440 in words is "one billion, eight hundred fifty million, two hundred seventy-five thousand, four hundred forty".