128629520410 has 32 divisors (see below), whose sum is σ = 234389736000. Its totient is φ = 50819139072.

The previous prime is 128629520359. The next prime is 128629520431. The reversal of 128629520410 is 14025926821.

It is a happy number.

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, 351157 + ... + 616903.

It is an arithmetic number, because the mean of its divisors is an integer number (7324679250).

Almost surely, 2^128629520410 is an apocalyptic number.

128629520410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128629520410 is a deficient number, since it is larger than the sum of its proper divisors (105760215590).

128629520410 is a wasteful number, since it uses less digits than its factorization.

128629520410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266350.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 128629520410 in words is "one hundred twenty-eight billion, six hundred twenty-nine million, five hundred twenty thousand, four hundred ten".