341781273840 has 160 divisors (see below), whose sum is σ = 1079979734016. Its totient is φ = 89383357440.

The previous prime is 341781273829. The next prime is 341781273857. The reversal of 341781273840 is 48372187143.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 341781273840.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40534425 + ... + 40542855.

Almost surely, 2^341781273840 is an apocalyptic number.

341781273840 is a gapful number since it is divisible by the number (30) 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 341781273840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539989867008).

341781273840 is an abundant number, since it is smaller than the sum of its proper divisors (738198460176).

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

341781273840 is a wasteful number, since it uses less digits than its factorization.

341781273840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11687 (or 11681 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 341781273840 in words is "three hundred forty-one billion, seven hundred eighty-one million, two hundred seventy-three thousand, eight hundred forty".