1240091672028 has 96 divisors (see below), whose sum is σ = 3221798291712. Its totient is φ = 368048179200.

The previous prime is 1240091672011. The next prime is 1240091672033. The reversal of 1240091672028 is 8202761900421.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3839500 + ... + 4149932.

It is an arithmetic number, because the mean of its divisors is an integer number (33560398872).

Almost surely, 2^{1240091672028} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1240091672028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1610899145856).

1240091672028 is an abundant number, since it is smaller than the sum of its proper divisors (1981706619684).

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

1240091672028 is a wasteful number, since it uses less digits than its factorization.

1240091672028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311075 (or 311073 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 1240091672028 in words is "one trillion, two hundred forty billion, ninety-one million, six hundred seventy-two thousand, twenty-eight".