1840498241 has 16 divisors (see below), whose sum is σ = 1975346688. Its totient is φ = 1711670400.

The previous prime is 1840498237. The next prime is 1840498267. The reversal of 1840498241 is 1428940481.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1840498241 - 2² = 1840498237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1840498201) 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, 74351 + ... + 95963.

It is an arithmetic number, because the mean of its divisors is an integer number (123459168).

Almost surely, 2^1840498241 is an apocalyptic number.

It is an amenable number.

1840498241 is a deficient number, since it is larger than the sum of its proper divisors (134848447).

1840498241 is a wasteful number, since it uses less digits than its factorization.

1840498241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21752.

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 1840498241 is about 42901.0284375561. The cubic root of 1840498241 is about 1225.4957296137.

The spelling of 1840498241 in words is "one billion, eight hundred forty million, four hundred ninety-eight thousand, two hundred forty-one".