1852155940 has 12 divisors (see below), whose sum is σ = 3889527516. Its totient is φ = 740862368.

The previous prime is 1852155923. The next prime is 1852155941. The reversal of 1852155940 is 495512581.

It can be written as a sum of positive squares in 2 ways, for example, as 754161444 + 1097994496 = 27462^2 + 33136^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1852155893 and 1852155902.

It is not an unprimeable number, because it can be changed into a prime (1852155941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46303879 + ... + 46303918.

It is an arithmetic number, because the mean of its divisors is an integer number (324127293).

Almost surely, 2^1852155940 is an apocalyptic number.

1852155940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1852155940 is an abundant number, since it is smaller than the sum of its proper divisors (2037371576).

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

1852155940 is a wasteful number, since it uses less digits than its factorization.

1852155940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92607806 (or 92607804 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 40.

The square root of 1852155940 is about 43036.6813311621. The cubic root of 1852155940 is about 1228.0777120870.

The spelling of 1852155940 in words is "one billion, eight hundred fifty-two million, one hundred fifty-five thousand, nine hundred forty".