1540000557304 has 32 divisors (see below), whose sum is σ = 3150603572400. Its totient is φ = 699866379520.

The previous prime is 1540000557281. The next prime is 1540000557349. The reversal of 1540000557304 is 4037550000451.

It is a self number, because there is not a number n which added to its sum of digits gives 1540000557304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1209949 + ... + 2131660.

Almost surely, 2^{1540000557304} is an apocalyptic number.

It is an amenable number.

1540000557304 is an abundant number, since it is smaller than the sum of its proper divisors (1610603015096).

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

1540000557304 is a wasteful number, since it uses less digits than its factorization.

1540000557304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346863 (or 3346859 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

Adding to 1540000557304 its reverse (4037550000451), we get a palindrome (5577550557755).

The spelling of 1540000557304 in words is "one trillion, five hundred forty billion, five hundred fifty-seven thousand, three hundred four".