13770332628 has 24 divisors (see below), whose sum is σ = 34602374688. Its totient is φ = 4237025376.

The previous prime is 13770332621. The next prime is 13770332657. The reversal of 13770332628 is 82623307731.

13770332628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13770332628² (a number of 21 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 13770332628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13770332621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44135526 + ... + 44135837.

It is an arithmetic number, because the mean of its divisors is an integer number (1441765612).

Almost surely, 2^13770332628 is an apocalyptic number.

It is an amenable number.

13770332628 is an abundant number, since it is smaller than the sum of its proper divisors (20832042060).

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

13770332628 is a wasteful number, since it uses less digits than its factorization.

13770332628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88271383 (or 88271381 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 13770332628 in words is "thirteen billion, seven hundred seventy million, three hundred thirty-two thousand, six hundred twenty-eight".