1898475040 has 96 divisors (see below), whose sum is σ = 5591908224. Its totient is φ = 591728640.

The previous prime is 1898474989. The next prime is 1898475049. The reversal of 1898475040 is 405748981.

It is not an unprimeable number, because it can be changed into a prime (1898475049) 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, 64729 + ... + 89368.

It is an arithmetic number, because the mean of its divisors is an integer number (58249044).

Almost surely, 2^1898475040 is an apocalyptic number.

1898475040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1898475040 is an abundant number, since it is smaller than the sum of its proper divisors (3693433184).

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

1898475040 is a wasteful number, since it uses less digits than its factorization.

1898475040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154130 (or 154122 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 1898475040 is about 43571.4934332070. The cubic root of 1898475040 is about 1238.2308798849.

The spelling of 1898475040 in words is "one billion, eight hundred ninety-eight million, four hundred seventy-five thousand, forty".