381506700740 has 144 divisors (see below), whose sum is σ = 886675700736. Its totient is φ = 137778812160.

The previous prime is 381506700737. The next prime is 381506700791. The reversal of 381506700740 is 47007605183.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 430108577 + ... + 430109463.

It is an arithmetic number, because the mean of its divisors is an integer number (6157470144).

Almost surely, 2^381506700740 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 381506700740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443337850368).

381506700740 is an abundant number, since it is smaller than the sum of its proper divisors (505168999996).

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

381506700740 is a wasteful number, since it uses less digits than its factorization.

381506700740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938 (or 1925 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 381506700740 in words is "three hundred eighty-one billion, five hundred six million, seven hundred thousand, seven hundred forty".