120411543040 has 160 divisors (see below), whose sum is σ = 303024908736. Its totient is φ = 45800325120.

The previous prime is 120411543037. The next prime is 120411543041. The reversal of 120411543040 is 40345114021.

It is a tau number, because it is divible by the number of its divisors (160).

It is a junction number, because it is equal to n+sod(n) for n = 120411542996 and 120411543014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120411543041) 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, 10180330 + ... + 10192150.

Almost surely, 2^120411543040 is an apocalyptic number.

120411543040 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 120411543040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151512454368).

120411543040 is an abundant number, since it is smaller than the sum of its proper divisors (182613365696).

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

120411543040 is a wasteful number, since it uses less digits than its factorization.

120411543040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12040 (or 12024 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 120411543040 its reverse (40345114021), we get a palindrome (160756657061).

The spelling of 120411543040 in words is "one hundred twenty billion, four hundred eleven million, five hundred forty-three thousand, forty".