1540552545246 has 48 divisors (see below), whose sum is σ = 3639648643200. Its totient is φ = 430923785760.

The previous prime is 1540552545221. The next prime is 1540552545289. The reversal of 1540552545246 is 6425452550451.

It is a junction number, because it is equal to n+sod(n) for n = 1540552545195 and 1540552545204.

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, 69047146 + ... + 69069453.

It is an arithmetic number, because the mean of its divisors is an integer number (75826013400).

Almost surely, 2^{1540552545246} is an apocalyptic number.

1540552545246 is an abundant number, since it is smaller than the sum of its proper divisors (2099096097954).

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

1540552545246 is a wasteful number, since it uses less digits than its factorization.

1540552545246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138116641 (or 138116628 counting only the distinct ones).

The product of its (nonzero) digits is 4800000, while the sum is 48.

The spelling of 1540552545246 in words is "one trillion, five hundred forty billion, five hundred fifty-two million, five hundred forty-five thousand, two hundred forty-six".