40103421420 has 24 divisors (see below), whose sum is σ = 112289580144. Its totient is φ = 10694245696.

The previous prime is 40103421409. The next prime is 40103421431. The reversal of 40103421420 is 2412430104.

It is an interprime number because it is at equal distance from previous prime (40103421409) and next prime (40103421431).

It is a super-2 number, since 2×40103421420² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334195119 + ... + 334195238.

It is an arithmetic number, because the mean of its divisors is an integer number (4678732506).

Almost surely, 2^40103421420 is an apocalyptic number.

It is an amenable number.

40103421420 is an abundant number, since it is smaller than the sum of its proper divisors (72186158724).

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

40103421420 is a wasteful number, since it uses less digits than its factorization.

40103421420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668390369 (or 668390367 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 40103421420 its reverse (2412430104), we get a palindrome (42515851524).

The spelling of 40103421420 in words is "forty billion, one hundred three million, four hundred twenty-one thousand, four hundred twenty".