381201054140 has 48 divisors (see below), whose sum is σ = 847751329152. Its totient is φ = 143487353856.

The previous prime is 381201054139. The next prime is 381201054193. The reversal of 381201054140 is 41450102183.

It is a super-2 number, since 2×381201054140² (a number of 24 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, 2048414 + ... + 2226746.

It is an arithmetic number, because the mean of its divisors is an integer number (17661486024).

Almost surely, 2^381201054140 is an apocalyptic number.

It is an amenable number.

381201054140 is an abundant number, since it is smaller than the sum of its proper divisors (466550275012).

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

381201054140 is a wasteful number, since it uses less digits than its factorization.

381201054140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184646 (or 184644 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The spelling of 381201054140 in words is "three hundred eighty-one billion, two hundred one million, fifty-four thousand, one hundred forty".