1040542636507 has 8 divisors (see below), whose sum is σ = 1154377039680. Its totient is φ = 929914836360.

The previous prime is 1040542636453. The next prime is 1040542636513. The reversal of 1040542636507 is 7056362450401.

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 1040542636507 - 2¹¹ = 1040542634459 is a prime.

It is a super-2 number, since 2×1040542636507² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040542636597) 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, 801650073 + ... + 801651370.

It is an arithmetic number, because the mean of its divisors is an integer number (144297129960).

Almost surely, 2^{1040542636507} is an apocalyptic number.

1040542636507 is a deficient number, since it is larger than the sum of its proper divisors (113834403173).

1040542636507 is a wasteful number, since it uses less digits than its factorization.

1040542636507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603301513.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 1040542636507 in words is "one trillion, forty billion, five hundred forty-two million, six hundred thirty-six thousand, five hundred seven".