60399971456 has 64 divisors (see below), whose sum is σ = 135501500160. Its totient is φ = 26568883200.

The previous prime is 60399971413. The next prime is 60399971507. The reversal of 60399971456 is 65417999306.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×60399971456² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 60399971395 and 60399971404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648251 + ... + 735546.

It is an arithmetic number, because the mean of its divisors is an integer number (2117210940).

Almost surely, 2^60399971456 is an apocalyptic number.

It is an amenable number.

60399971456 is an abundant number, since it is smaller than the sum of its proper divisors (75101528704).

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

60399971456 is a wasteful number, since it uses less digits than its factorization.

60399971456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383853 (or 1383841 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 59.

The spelling of 60399971456 in words is "sixty billion, three hundred ninety-nine million, nine hundred seventy-one thousand, four hundred fifty-six".