1540418792 has 32 divisors (see below), whose sum is σ = 3158416800. Its totient is φ = 698510400.

The previous prime is 1540418791. The next prime is 1540418801. The reversal of 1540418792 is 2978140451.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1540418791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16259 + ... + 57837.

It is an arithmetic number, because the mean of its divisors is an integer number (98700525).

Almost surely, 2^1540418792 is an apocalyptic number.

It is an amenable number.

1540418792 is an abundant number, since it is smaller than the sum of its proper divisors (1617998008).

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

1540418792 is a wasteful number, since it uses less digits than its factorization.

1540418792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42017 (or 42013 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 1540418792 is about 39248.1692821461. The cubic root of 1540418792 is about 1154.9050207062.

The spelling of 1540418792 in words is "one billion, five hundred forty million, four hundred eighteen thousand, seven hundred ninety-two".