43420124400 has 60 divisors (see below), whose sum is σ = 139089135672. Its totient is φ = 11578699520.

The previous prime is 43420124399. The next prime is 43420124411. The reversal of 43420124400 is 442102434.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×43420124400² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18090519 + ... + 18092918.

Almost surely, 2^43420124400 is an apocalyptic number.

43420124400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43420124400 is an abundant number, since it is smaller than the sum of its proper divisors (95669011272).

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

43420124400 is a wasteful number, since it uses less digits than its factorization.

43420124400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36183458 (or 36183447 counting only the distinct ones).

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

Adding to 43420124400 its reverse (442102434), we get a palindrome (43862226834).

The spelling of 43420124400 in words is "forty-three billion, four hundred twenty million, one hundred twenty-four thousand, four hundred".