381381227590 has 32 divisors (see below), whose sum is σ = 750224353536. Its totient is φ = 138437729760.

The previous prime is 381381227573. The next prime is 381381227593. The reversal of 381381227590 is 95722183183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381381227593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3017202 + ... + 3141061.

It is an arithmetic number, because the mean of its divisors is an integer number (23444511048).

Almost surely, 2^381381227590 is an apocalyptic number.

381381227590 is a deficient number, since it is larger than the sum of its proper divisors (368843125946).

381381227590 is a wasteful number, since it uses less digits than its factorization.

381381227590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6158844.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 381381227590 in words is "three hundred eighty-one billion, three hundred eighty-one million, two hundred twenty-seven thousand, five hundred ninety".