38534129380 has 24 divisors (see below), whose sum is σ = 80938687032. Its totient is φ = 15410410752.

The previous prime is 38534129357. The next prime is 38534129399. The reversal of 38534129380 is 8392143583.

It can be written as a sum of positive squares in 4 ways, for example, as 16856867556 + 21677261824 = 129834^2 + 147232^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38534129380.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103897 + ... + 296416.

It is an arithmetic number, because the mean of its divisors is an integer number (3372445293).

Almost surely, 2^38534129380 is an apocalyptic number.

It is an amenable number.

38534129380 is an abundant number, since it is smaller than the sum of its proper divisors (42404557652).

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

38534129380 is a wasteful number, since it uses less digits than its factorization.

38534129380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405135 (or 405133 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 38534129380 in words is "thirty-eight billion, five hundred thirty-four million, one hundred twenty-nine thousand, three hundred eighty".