102440670 has 16 divisors (see below), whose sum is σ = 245857680. Its totient is φ = 27317504.

The previous prime is 102440669. The next prime is 102440671. The reversal of 102440670 is 76044201.

It is an interprime number because it is at equal distance from previous prime (102440669) and next prime (102440671).

It is a self number, because there is not a number n which added to its sum of digits gives 102440670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102440671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1707315 + ... + 1707374.

It is an arithmetic number, because the mean of its divisors is an integer number (15366105).

Almost surely, 2^102440670 is an apocalyptic number.

102440670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102440670 is an abundant number, since it is smaller than the sum of its proper divisors (143417010).

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

102440670 is a wasteful number, since it uses less digits than its factorization.

102440670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3414699.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 102440670 is about 10121.2978416802. The cubic root of 102440670 is about 467.9047673126.

Adding to 102440670 its reverse (76044201), we get a palindrome (178484871).

The spelling of 102440670 in words is "one hundred two million, four hundred forty thousand, six hundred seventy".