1438625348620 has 24 divisors (see below), whose sum is σ = 3024784121184. Its totient is φ = 574750922496.

The previous prime is 1438625348591. The next prime is 1438625348627. The reversal of 1438625348620 is 268435268341.

It is not an unprimeable number, because it can be changed into a prime (1438625348627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43684189 + ... + 43717108.

It is an arithmetic number, because the mean of its divisors is an integer number (126032671716).

Almost surely, 2^{1438625348620} is an apocalyptic number.

1438625348620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1438625348620 is an abundant number, since it is smaller than the sum of its proper divisors (1586158772564).

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

1438625348620 is a wasteful number, since it uses less digits than its factorization.

1438625348620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87402129 (or 87402127 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 52.

The spelling of 1438625348620 in words is "one trillion, four hundred thirty-eight billion, six hundred twenty-five million, three hundred forty-eight thousand, six hundred twenty".