120040403424 has 96 divisors (see below), whose sum is σ = 330437711520. Its totient is φ = 38104399872.

The previous prime is 120040403423. The next prime is 120040403467. The reversal of 120040403424 is 424304040021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a junction number, because it is equal to n+sod(n) for n = 120040403394 and 120040403403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120040403423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92097 + ... + 498560.

It is an arithmetic number, because the mean of its divisors is an integer number (3442059495).

Almost surely, 2^120040403424 is an apocalyptic number.

It is an amenable number.

120040403424 is an abundant number, since it is smaller than the sum of its proper divisors (210397308096).

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

120040403424 is a wasteful number, since it uses less digits than its factorization.

120040403424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590772 (or 590764 counting only the distinct ones).

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

Adding to 120040403424 its reverse (424304040021), we get a palindrome (544344443445).

The spelling of 120040403424 in words is "one hundred twenty billion, forty million, four hundred three thousand, four hundred twenty-four".