1040534511650 has 24 divisors (see below), whose sum is σ = 2049240910500. Its totient is φ = 391730639360.

The previous prime is 1040534511619. The next prime is 1040534511671. The reversal of 1040534511650 is 561154350401.

It can be written as a sum of positive squares in 6 ways, for example, as 535620523321 + 504913988329 = 731861^2 + 710573^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1040534511650.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 612078275 + ... + 612079974.

Almost surely, 2^{1040534511650} is an apocalyptic number.

1040534511650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1040534511650 is a deficient number, since it is larger than the sum of its proper divisors (1008706398850).

1040534511650 is a wasteful number, since it uses less digits than its factorization.

1040534511650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224158278 (or 1224158273 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 1040534511650 in words is "one trillion, forty billion, five hundred thirty-four million, five hundred eleven thousand, six hundred fifty".