40420432303 has 8 divisors (see below), whose sum is σ = 42024496640. Its totient is φ = 38835129240.

The previous prime is 40420432301. The next prime is 40420432321. The reversal of 40420432303 is 30323402404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40420432303 - 2¹ = 40420432301 is a prime.

It is a super-2 number, since 2×40420432303² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40420432301) 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, 4685925 + ... + 4694542.

It is an arithmetic number, because the mean of its divisors is an integer number (5253062080).

Almost surely, 2^40420432303 is an apocalyptic number.

40420432303 is a deficient number, since it is larger than the sum of its proper divisors (1604064337).

40420432303 is a wasteful number, since it uses less digits than its factorization.

40420432303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9380637.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 40420432303 its reverse (30323402404), we get a palindrome (70743834707).

The spelling of 40420432303 in words is "forty billion, four hundred twenty million, four hundred thirty-two thousand, three hundred three".