1540672273343 has 8 divisors (see below), whose sum is σ = 1760859693600. Its totient is φ = 1320507698400.

The previous prime is 1540672273337. The next prime is 1540672273363. The reversal of 1540672273343 is 3433722760451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1540672273343 - 2¹⁰ = 1540672272319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540672273313) 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, 5566568 + ... + 5836781.

It is an arithmetic number, because the mean of its divisors is an integer number (220107461700).

Almost surely, 2^{1540672273343} is an apocalyptic number.

1540672273343 is a deficient number, since it is larger than the sum of its proper divisors (220187420257).

1540672273343 is a wasteful number, since it uses less digits than its factorization.

1540672273343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11422657.

The product of its (nonzero) digits is 2540160, while the sum is 47.

The spelling of 1540672273343 in words is "one trillion, five hundred forty billion, six hundred seventy-two million, two hundred seventy-three thousand, three hundred forty-three".