40243030400 has 48 divisors (see below), whose sum is σ = 99412868940. Its totient is φ = 16097210880.

The previous prime is 40243030393. The next prime is 40243030403. The reversal of 40243030400 is 403034204.

It is a happy number.

40243030400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40243030403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6284774 + ... + 6291173.

Almost surely, 2^40243030400 is an apocalyptic number.

40243030400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40243030400 is an abundant number, since it is smaller than the sum of its proper divisors (59169838540).

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

40243030400 is a wasteful number, since it uses less digits than its factorization.

40243030400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12575971 (or 12575954 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 40243030400 its reverse (403034204), we get a palindrome (40646064604).

The spelling of 40243030400 in words is "forty billion, two hundred forty-three million, thirty thousand, four hundred".