381271438662 has 64 divisors (see below), whose sum is σ = 827426384064. Its totient is φ = 116649820160.

The previous prime is 381271438631. The next prime is 381271438699. The reversal of 381271438662 is 266834172183.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 11094418 + ... + 11128730.

It is an arithmetic number, because the mean of its divisors is an integer number (12928537251).

Almost surely, 2^381271438662 is an apocalyptic number.

381271438662 is an abundant number, since it is smaller than the sum of its proper divisors (446154945402).

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

381271438662 is a wasteful number, since it uses less digits than its factorization.

381271438662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37033.

The product of its digits is 2322432, while the sum is 51.

The spelling of 381271438662 in words is "three hundred eighty-one billion, two hundred seventy-one million, four hundred thirty-eight thousand, six hundred sixty-two".