120619996640 has 768 divisors, whose sum is σ = 376390748160. Its totient is φ = 35814113280.

The previous prime is 120619996639. The next prime is 120619996649. The reversal of 120619996640 is 46699916021.

It is a super-2 number, since 2×120619996640² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120619996649) 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, 867769691 + ... + 867769829.

It is an arithmetic number, because the mean of its divisors is an integer number (490092120).

Almost surely, 2^120619996640 is an apocalyptic number.

120619996640 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 120619996640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188195374080).

120619996640 is an abundant number, since it is smaller than the sum of its proper divisors (255770751520).

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

120619996640 is a wasteful number, since it uses less digits than its factorization.

120619996640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 53.

The spelling of 120619996640 in words is "one hundred twenty billion, six hundred nineteen million, nine hundred ninety-six thousand, six hundred forty".