1540841298 has 16 divisors (see below), whose sum is σ = 3181092096. Its totient is φ = 497045520.

The previous prime is 1540841293. The next prime is 1540841339. The reversal of 1540841298 is 8921480451.

It is not an unprimeable number, because it can be changed into a prime (1540841293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4141861 + ... + 4142232.

It is an arithmetic number, because the mean of its divisors is an integer number (198818256).

Almost surely, 2^1540841298 is an apocalyptic number.

1540841298 is an abundant number, since it is smaller than the sum of its proper divisors (1640250798).

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

1540841298 is a wasteful number, since it uses less digits than its factorization.

1540841298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8284129.

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 1540841298 is about 39253.5514062104. The cubic root of 1540841298 is about 1155.0106001538.

The spelling of 1540841298 in words is "one billion, five hundred forty million, eight hundred forty-one thousand, two hundred ninety-eight".