120424503540 has 192 divisors, whose sum is σ = 384167411712. Its totient is φ = 27900364800.

The previous prime is 120424503503. The next prime is 120424503601. The reversal of 120424503540 is 45305424021.

It is a super-2 number, since 2×120424503540² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 120424503498 and 120424503507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22327084 + ... + 22332476.

It is an arithmetic number, because the mean of its divisors is an integer number (2000871936).

Almost surely, 2^120424503540 is an apocalyptic number.

120424503540 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 120424503540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192083705856).

120424503540 is an abundant number, since it is smaller than the sum of its proper divisors (263742908172).

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

120424503540 is a wasteful number, since it uses less digits than its factorization.

120424503540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6910 (or 6908 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 120424503540 its reverse (45305424021), we get a palindrome (165729927561).

The spelling of 120424503540 in words is "one hundred twenty billion, four hundred twenty-four million, five hundred three thousand, five hundred forty".