102440628379 has 2 divisors, whose sum is σ = 102440628380. Its totient is φ = 102440628378.

The previous prime is 102440628371. The next prime is 102440628413. The reversal of 102440628379 is 973826044201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102440628379 - 2³ = 102440628371 is a prime.

It is not a weakly prime, because it can be changed into another prime (102440628371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51220314189 + 51220314190.

It is an arithmetic number, because the mean of its divisors is an integer number (51220314190).

Almost surely, 2^102440628379 is an apocalyptic number.

102440628379 is a deficient number, since it is larger than the sum of its proper divisors (1).

102440628379 is an equidigital number, since it uses as much as digits as its factorization.

102440628379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 102440628379 in words is "one hundred two billion, four hundred forty million, six hundred twenty-eight thousand, three hundred seventy-nine".