120244240640 has 36 divisors (see below), whose sum is σ = 288022535724. Its totient is φ = 48097695744.

The previous prime is 120244240609. The next prime is 120244240651. The reversal of 120244240640 is 46042442021.

It can be written as a sum of positive squares in 2 ways, for example, as 44720406784 + 75523833856 = 211472^2 + 274816^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46969127 + ... + 46971686.

Almost surely, 2^120244240640 is an apocalyptic number.

120244240640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120244240640 is an abundant number, since it is smaller than the sum of its proper divisors (167778295084).

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

120244240640 is an frugal number, since it uses more digits than its factorization.

120244240640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93940834 (or 93940820 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 120244240640 its reverse (46042442021), we get a palindrome (166286682661).

The spelling of 120244240640 in words is "one hundred twenty billion, two hundred forty-four million, two hundred forty thousand, six hundred forty".