43020000403400 has 24 divisors (see below), whose sum is σ = 100021500938370. Its totient is φ = 17208000161280.

The previous prime is 43020000403397. The next prime is 43020000403421. The reversal of 43020000403400 is 430400002034.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 27227753592484 + 15792246810916 = 5218022^2 + 3973946^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107550000809 + ... + 107550001208.

Almost surely, 2^{43020000403400} is an apocalyptic number.

43020000403400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43020000403400 is an abundant number, since it is smaller than the sum of its proper divisors (57001500534970).

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

43020000403400 is a wasteful number, since it uses less digits than its factorization.

43020000403400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215100002033 (or 215100002024 counting only the distinct ones).

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

Adding to 43020000403400 its reverse (430400002034), we get a palindrome (43450400405434).

The spelling of 43020000403400 in words is "forty-three trillion, twenty billion, four hundred three thousand, four hundred".