1852402840 has 64 divisors (see below), whose sum is σ = 4319568000. Its totient is φ = 714094080.

The previous prime is 1852402831. The next prime is 1852402847. The reversal of 1852402840 is 482042581.

1852402840 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1852402796 and 1852402805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1852402847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 832930 + ... + 835150.

It is an arithmetic number, because the mean of its divisors is an integer number (67493250).

Almost surely, 2^1852402840 is an apocalyptic number.

1852402840 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 1852402840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2159784000).

1852402840 is an abundant number, since it is smaller than the sum of its proper divisors (2467165160).

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

1852402840 is a wasteful number, since it uses less digits than its factorization.

1852402840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2980 (or 2976 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 1852402840 is about 43039.5497188342. The cubic root of 1852402840 is about 1228.1322789314.

The spelling of 1852402840 in words is "one billion, eight hundred fifty-two million, four hundred two thousand, eight hundred forty".