1019672878044 has 48 divisors (see below), whose sum is σ = 2541485606688. Its totient is φ = 317066416128.

The previous prime is 1019672878043. The next prime is 1019672878079. The reversal of 1019672878044 is 4408782769101.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1019672878043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22093747 + ... + 22139850.

It is an arithmetic number, because the mean of its divisors is an integer number (52947616806).

Almost surely, 2^{1019672878044} is an apocalyptic number.

It is an amenable number.

1019672878044 is an abundant number, since it is smaller than the sum of its proper divisors (1521812728644).

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

1019672878044 is a wasteful number, since it uses less digits than its factorization.

1019672878044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44233734 (or 44233732 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 57.

The spelling of 1019672878044 in words is "one trillion, nineteen billion, six hundred seventy-two million, eight hundred seventy-eight thousand, forty-four".