120401541520240 has 40 divisors (see below), whose sum is σ = 283876310583648. Its totient is φ = 47482298062080.

The previous prime is 120401541520219. The next prime is 120401541520283. The reversal of 120401541520240 is 42025145104021.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×120401541520240³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10598721567 + ... + 10598732926.

Almost surely, 2^{120401541520240} is an apocalyptic number.

120401541520240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120401541520240 is an abundant number, since it is smaller than the sum of its proper divisors (163474769063408).

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

120401541520240 is a wasteful number, since it uses less digits than its factorization.

120401541520240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21197454577 (or 21197454571 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 120401541520240 its reverse (42025145104021), we get a palindrome (162426686624261).

The spelling of 120401541520240 in words is "one hundred twenty trillion, four hundred one billion, five hundred forty-one million, five hundred twenty thousand, two hundred forty".