42440332232403 has 24 divisors (see below), whose sum is σ = 71689538688768. Its totient is φ = 23687627290992.

The previous prime is 42440332232387. The next prime is 42440332232407. The reversal of 42440332232403 is 30423223304424.

42440332232403 is a `hidden beast` number, since 4 + 2 + 4 + 4 + 0 + 3 + 322 + 324 + 0 + 3 = 666.

It is not a de Polignac number, because 42440332232403 - 2⁴ = 42440332232387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42440332232407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7833207375 + ... + 7833212792.

It is an arithmetic number, because the mean of its divisors is an integer number (2987064112032).

Almost surely, 2^{42440332232403} is an apocalyptic number.

42440332232403 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

42440332232403 is a deficient number, since it is larger than the sum of its proper divisors (29249206456365).

42440332232403 is a wasteful number, since it uses less digits than its factorization.

42440332232403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15666420223 (or 15666420220 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 36.

Adding to 42440332232403 its reverse (30423223304424), we get a palindrome (72863555536827).

The spelling of 42440332232403 in words is "forty-two trillion, four hundred forty billion, three hundred thirty-two million, two hundred thirty-two thousand, four hundred three".