44403210123402 has 128 divisors (see below), whose sum is σ = 96985433825280. Its totient is φ = 13471429063680.

The previous prime is 44403210123397. The next prime is 44403210123421. The reversal of 44403210123402 is 20432101230444.

It is a self number, because there is not a number n which added to its sum of digits gives 44403210123402.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1342646527 + ... + 1342679597.

It is an arithmetic number, because the mean of its divisors is an integer number (757698701760).

Almost surely, 2^{44403210123402} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44403210123402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48492716912640).

44403210123402 is an abundant number, since it is smaller than the sum of its proper divisors (52582223701878).

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

44403210123402 is a wasteful number, since it uses less digits than its factorization.

44403210123402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33988.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 44403210123402 its reverse (20432101230444), we get a palindrome (64835311353846).

The spelling of 44403210123402 in words is "forty-four trillion, four hundred three billion, two hundred ten million, one hundred twenty-three thousand, four hundred two".