1849325440 has 32 divisors (see below), whose sum is σ = 4421045160. Its totient is φ = 739729920.

The previous prime is 1849325431. The next prime is 1849325473. The reversal of 1849325440 is 445239481.

It is a tau number, because it is divible by the number of its divisors (32).

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 = 1849325393 and 1849325402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1444146 + ... + 1445425.

Almost surely, 2^1849325440 is an apocalyptic number.

1849325440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1849325440 is an abundant number, since it is smaller than the sum of its proper divisors (2571719720).

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

1849325440 is an equidigital number, since it uses as much as digits as its factorization.

1849325440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889590 (or 2889578 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 1849325440 is about 43003.7840195488. The cubic root of 1849325440 is about 1227.4518025495.

The spelling of 1849325440 in words is "one billion, eight hundred forty-nine million, three hundred twenty-five thousand, four hundred forty".