10628917890 has 32 divisors (see below), whose sum is σ = 26389039680. Its totient is φ = 2736640704.

The previous prime is 10628917877. The next prime is 10628917963. The reversal of 10628917890 is 9871982601.

It is a super-2 number, since 2×10628917890² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6107704 + ... + 6109443.

It is an arithmetic number, because the mean of its divisors is an integer number (824657490).

Almost surely, 2^10628917890 is an apocalyptic number.

10628917890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10628917890 is an abundant number, since it is smaller than the sum of its proper divisors (15760121790).

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

10628917890 is a wasteful number, since it uses less digits than its factorization.

10628917890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12217186.

The product of its (nonzero) digits is 435456, while the sum is 51.

The spelling of 10628917890 in words is "ten billion, six hundred twenty-eight million, nine hundred seventeen thousand, eight hundred ninety".