4020323012400 has 60 divisors (see below), whose sum is σ = 12878434720232. Its totient is φ = 1072086136320.

The previous prime is 4020323012383. The next prime is 4020323012411. The reversal of 4020323012400 is 42103230204.

4020323012400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1675133389 + ... + 1675135788.

Almost surely, 2^{4020323012400} is an apocalyptic number.

4020323012400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4020323012400 is an abundant number, since it is smaller than the sum of its proper divisors (8858111707832).

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

4020323012400 is a wasteful number, since it uses less digits than its factorization.

4020323012400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350269198 (or 3350269187 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 4020323012400 its reverse (42103230204), we get a palindrome (4062426242604).

The spelling of 4020323012400 in words is "four trillion, twenty billion, three hundred twenty-three million, twelve thousand, four hundred".