40023414420 has 144 divisors (see below), whose sum is σ = 123328512384. Its totient is φ = 9690912000.

The previous prime is 40023414401. The next prime is 40023414433. The reversal of 40023414420 is 2441432004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7017570 + ... + 7023270.

Almost surely, 2^40023414420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40023414420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61664256192).

40023414420 is an abundant number, since it is smaller than the sum of its proper divisors (83305097964).

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

40023414420 is a wasteful number, since it uses less digits than its factorization.

40023414420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6702 (or 6689 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 40023414420 its reverse (2441432004), we get a palindrome (42464846424).

The spelling of 40023414420 in words is "forty billion, twenty-three million, four hundred fourteen thousand, four hundred twenty".