1849420544 has 36 divisors (see below), whose sum is σ = 3742224696. Its totient is φ = 912033792.

The previous prime is 1849420513. The next prime is 1849420589. The reversal of 1849420544 is 4450249481.

It is a happy number.

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, 30794 + ... + 68169.

It is an arithmetic number, because the mean of its divisors is an integer number (103950686).

Almost surely, 2^1849420544 is an apocalyptic number.

It is an amenable number.

1849420544 is an abundant number, since it is smaller than the sum of its proper divisors (1892804152).

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

1849420544 is an frugal number, since it uses more digits than its factorization.

1849420544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99052 (or 99038 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 1849420544 is about 43004.8897684903. The cubic root of 1849420544 is about 1227.4728432981.

The spelling of 1849420544 in words is "one billion, eight hundred forty-nine million, four hundred twenty thousand, five hundred forty-four".