40403122430 has 64 divisors (see below), whose sum is σ = 81951768576. Its totient is φ = 14208480000.

The previous prime is 40403122423. The next prime is 40403122433. The reversal of 40403122430 is 3422130404.

It is a junction number, because it is equal to n+sod(n) for n = 40403122396 and 40403122405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40403122433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6649874 + ... + 6655946.

It is an arithmetic number, because the mean of its divisors is an integer number (1280496384).

Almost surely, 2^40403122430 is an apocalyptic number.

40403122430 is an abundant number, since it is smaller than the sum of its proper divisors (41548646146).

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

40403122430 is a wasteful number, since it uses less digits than its factorization.

40403122430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8073.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 40403122430 its reverse (3422130404), we get a palindrome (43825252834).

The spelling of 40403122430 in words is "forty billion, four hundred three million, one hundred twenty-two thousand, four hundred thirty".