102440628315 has 20 divisors (see below), whose sum is σ = 183634312224. Its totient is φ = 54635001552.

The previous prime is 102440628289. The next prime is 102440628341. The reversal of 102440628315 is 513826044201.

It is a happy number.

102440628315 is a `hidden beast` number, since 1 + 0 + 24 + 4 + 0 + 628 + 3 + 1 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (102440628289) and next prime (102440628341).

It is not a de Polignac number, because 102440628315 - 2⁹ = 102440627803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102440628315.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 126469507 + ... + 126470316.

Almost surely, 2^102440628315 is an apocalyptic number.

102440628315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102440628315 is a deficient number, since it is larger than the sum of its proper divisors (81193683909).

102440628315 is an equidigital number, since it uses as much as digits as its factorization.

102440628315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252939840 (or 252939831 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 102440628315 in words is "one hundred two billion, four hundred forty million, six hundred twenty-eight thousand, three hundred fifteen".