1144061976920 has 64 divisors (see below), whose sum is σ = 2616335860320. Its totient is φ = 450170543104.

The previous prime is 1144061976919. The next prime is 1144061976931. The reversal of 1144061976920 is 296791604411.

It is a super-2 number, since 2×1144061976920² (a number of 25 digits) contains 22 as substring.

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, 34082 + ... + 1513038.

Almost surely, 2^{1144061976920} is an apocalyptic number.

1144061976920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144061976920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1308167930160).

1144061976920 is an abundant number, since it is smaller than the sum of its proper divisors (1472273883400).

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

1144061976920 is a wasteful number, since it uses less digits than its factorization.

1144061976920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479284 (or 1479280 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 1144061976920 in words is "one trillion, one hundred forty-four billion, sixty-one million, nine hundred seventy-six thousand, nine hundred twenty".