1408112277720 has 128 divisors (see below), whose sum is σ = 4329838506240. Its totient is φ = 366229670400.

The previous prime is 1408112277647. The next prime is 1408112277749. The reversal of 1408112277720 is 277722118041.

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, 54982 + ... + 1679061.

It is an arithmetic number, because the mean of its divisors is an integer number (33826863330).

Almost surely, 2^{1408112277720} is an apocalyptic number.

1408112277720 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 1408112277720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2164919253120).

1408112277720 is an abundant number, since it is smaller than the sum of its proper divisors (2921726228520).

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

1408112277720 is a wasteful number, since it uses less digits than its factorization.

1408112277720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734225 (or 1734221 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 42.

The spelling of 1408112277720 in words is "one trillion, four hundred eight billion, one hundred twelve million, two hundred seventy-seven thousand, seven hundred twenty".