371427381640 has 256 divisors, whose sum is σ = 1039221964800. Its totient is φ = 116592307200.

The previous prime is 371427381601. The next prime is 371427381641. The reversal of 371427381640 is 46183724173.

It is not an unprimeable number, because it can be changed into a prime (371427381641) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 194769567 + ... + 194771473.

It is an arithmetic number, because the mean of its divisors is an integer number (4059460800).

Almost surely, 2^371427381640 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 371427381640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (519610982400).

371427381640 is an abundant number, since it is smaller than the sum of its proper divisors (667794583160).

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

371427381640 is a wasteful number, since it uses less digits than its factorization.

371427381640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3156 (or 3152 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 371427381640 in words is "three hundred seventy-one billion, four hundred twenty-seven million, three hundred eighty-one thousand, six hundred forty".