1000726263384 has 64 divisors (see below), whose sum is σ = 2670581664000. Its totient is φ = 311567840640.

The previous prime is 1000726263373. The next prime is 1000726263421. The reversal of 1000726263384 is 4833626270001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15422379 + ... + 15487130.

It is an arithmetic number, because the mean of its divisors is an integer number (41727838500).

Almost surely, 2^{1000726263384} is an apocalyptic number.

It is an amenable number.

1000726263384 is an abundant number, since it is smaller than the sum of its proper divisors (1669855400616).

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

1000726263384 is a wasteful number, since it uses less digits than its factorization.

1000726263384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30909608 (or 30909604 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 1000726263384 in words is "one trillion, seven hundred twenty-six million, two hundred sixty-three thousand, three hundred eighty-four".