120457515444 has 24 divisors (see below), whose sum is σ = 321220041408. Its totient is φ = 34416432960.

The previous prime is 120457515439. The next prime is 120457515487. The reversal of 120457515444 is 444515754021.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 120457515396 and 120457515405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717008937 + ... + 717009104.

It is an arithmetic number, because the mean of its divisors is an integer number (13384168392).

Almost surely, 2^120457515444 is an apocalyptic number.

120457515444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

120457515444 is an abundant number, since it is smaller than the sum of its proper divisors (200762525964).

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

120457515444 is a wasteful number, since it uses less digits than its factorization.

120457515444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434018055 (or 1434018053 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 42.

The spelling of 120457515444 in words is "one hundred twenty billion, four hundred fifty-seven million, five hundred fifteen thousand, four hundred forty-four".