120040405030 has 256 divisors, whose sum is σ = 282537787392. Its totient is φ = 35707392000.

The previous prime is 120040405021. The next prime is 120040405033. The reversal of 120040405030 is 30504040021.

It is a junction number, because it is equal to n+sod(n) for n = 120040404989 and 120040405007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120040405033) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 146212020 + ... + 146212840.

It is an arithmetic number, because the mean of its divisors is an integer number (1103663232).

Almost surely, 2^120040405030 is an apocalyptic number.

120040405030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120040405030 is an abundant number, since it is smaller than the sum of its proper divisors (162497382362).

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

120040405030 is a wasteful number, since it uses less digits than its factorization.

120040405030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023.

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 120040405030 its reverse (30504040021), we get a palindrome (150544445051).

The spelling of 120040405030 in words is "one hundred twenty billion, forty million, four hundred five thousand, thirty".