1540533030140 has 72 divisors (see below), whose sum is σ = 3520901260800. Its totient is φ = 565924579584.

The previous prime is 1540533030139. The next prime is 1540533030151. The reversal of 1540533030140 is 410303350451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 490940 + ... + 1822659.

It is an arithmetic number, because the mean of its divisors is an integer number (48901406400).

Almost surely, 2^{1540533030140} is an apocalyptic number.

1540533030140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1540533030140 is an abundant number, since it is smaller than the sum of its proper divisors (1980368230660).

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

1540533030140 is a wasteful number, since it uses less digits than its factorization.

1540533030140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313831 (or 2313816 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 1540533030140 its reverse (410303350451), we get a palindrome (1950836380591).

The spelling of 1540533030140 in words is "one trillion, five hundred forty billion, five hundred thirty-three million, thirty thousand, one hundred forty".