1845252940 has 12 divisors (see below), whose sum is σ = 3875031216. Its totient is φ = 738101168.

The previous prime is 1845252911. The next prime is 1845252943. The reversal of 1845252940 is 492525481.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1845252893 and 1845252902.

It is not an unprimeable number, because it can be changed into a prime (1845252943) 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, 46131304 + ... + 46131343.

It is an arithmetic number, because the mean of its divisors is an integer number (322919268).

Almost surely, 2^1845252940 is an apocalyptic number.

1845252940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1845252940 is an abundant number, since it is smaller than the sum of its proper divisors (2029778276).

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

1845252940 is a wasteful number, since it uses less digits than its factorization.

1845252940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92262656 (or 92262654 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 1845252940 is about 42956.4074382391. The cubic root of 1845252940 is about 1226.5501275878.

The spelling of 1845252940 in words is "one billion, eight hundred forty-five million, two hundred fifty-two thousand, nine hundred forty".