1040534511642 has 20 divisors (see below), whose sum is σ = 2331568072746. Its totient is φ = 346844837160.

The previous prime is 1040534511619. The next prime is 1040534511671. The reversal of 1040534511642 is 2461154350401.

1040534511642 is a `hidden beast` number, since 1 + 0 + 4 + 0 + 5 + 3 + 4 + 5 + 1 + 1 + 642 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1030430040201 + 10104471441 = 1015101^2 + 100521^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1040534511597 and 1040534511606.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3211526109 + ... + 3211526432.

Almost surely, 2^{1040534511642} is an apocalyptic number.

1040534511642 is an abundant number, since it is smaller than the sum of its proper divisors (1291033561104).

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

1040534511642 is an equidigital number, since it uses as much as digits as its factorization.

1040534511642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6423052555 (or 6423052546 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 1040534511642 in words is "one trillion, forty billion, five hundred thirty-four million, five hundred eleven thousand, six hundred forty-two".