102030114440 has 16 divisors (see below), whose sum is σ = 229567757580. Its totient is φ = 40812045760.

The previous prime is 102030114427. The next prime is 102030114449. The reversal of 102030114440 is 44411030201.

It can be written as a sum of positive squares in 2 ways, for example, as 95356204804 + 6673909636 = 308798^2 + 81694^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (102030114449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275376391 + ... + 1275376470.

Almost surely, 2^102030114440 is an apocalyptic number.

102030114440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102030114440 is an abundant number, since it is smaller than the sum of its proper divisors (127537643140).

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

102030114440 is a wasteful number, since it uses less digits than its factorization.

102030114440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550752872 (or 2550752868 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 102030114440 its reverse (44411030201), we get a palindrome (146441144641).

The spelling of 102030114440 in words is "one hundred two billion, thirty million, one hundred fourteen thousand, four hundred forty".