120424001400 has 192 divisors, whose sum is σ = 415068300000. Its totient is φ = 32091816960.

The previous prime is 120424001323. The next prime is 120424001461. The reversal of 120424001400 is 4100424021.

120424001400 is a `hidden beast` number, since 1 + 20 + 4 + 240 + 0 + 1 + 400 = 666.

It is a super-2 number, since 2×120424001400² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9222076 + ... + 9235124.

Almost surely, 2^120424001400 is an apocalyptic number.

120424001400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120424001400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207534150000).

120424001400 is an abundant number, since it is smaller than the sum of its proper divisors (294644298600).

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

120424001400 is a wasteful number, since it uses less digits than its factorization.

120424001400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14783 (or 14768 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 120424001400 its reverse (4100424021), we get a palindrome (124524425421).

The spelling of 120424001400 in words is "one hundred twenty billion, four hundred twenty-four million, one thousand, four hundred".