440534421486 has 12 divisors (see below), whose sum is σ = 954491246592. Its totient is φ = 146844807156.

The previous prime is 440534421427. The next prime is 440534421487. The reversal of 440534421486 is 684124435044.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440534421487) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12237067246 + ... + 12237067281.

It is an arithmetic number, because the mean of its divisors is an integer number (79540937216).

Almost surely, 2^440534421486 is an apocalyptic number.

440534421486 is an abundant number, since it is smaller than the sum of its proper divisors (513956825106).

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

440534421486 is a wasteful number, since it uses less digits than its factorization.

440534421486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24474134535 (or 24474134532 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 45.

The spelling of 440534421486 in words is "four hundred forty billion, five hundred thirty-four million, four hundred twenty-one thousand, four hundred eighty-six".