398888529010 has 16 divisors (see below), whose sum is σ = 718027252056. Its totient is φ = 159549211648.

The previous prime is 398888528981. The next prime is 398888529019. The reversal of 398888529010 is 10925888893.

It can be written as a sum of positive squares in 4 ways, for example, as 295732578969 + 103155950041 = 543813^2 + 321179^2 .

It is a super-2 number, since 2×398888529010² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 398888529010.

It is not an unprimeable number, because it can be changed into a prime (398888529019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500137 + ... + 1023676.

Almost surely, 2^398888529010 is an apocalyptic number.

398888529010 is a deficient number, since it is larger than the sum of its proper divisors (319138723046).

398888529010 is a wasteful number, since it uses less digits than its factorization.

398888529010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549997.

The product of its (nonzero) digits is 9953280, while the sum is 61.

The spelling of 398888529010 in words is "three hundred ninety-eight billion, eight hundred eighty-eight million, five hundred twenty-nine thousand, ten".