75420456383856 has 40 divisors (see below), whose sum is σ = 194836786222480. Its totient is φ = 25140073775616.

The previous prime is 75420456383821. The next prime is 75420456383869. The reversal of 75420456383856 is 65838365402457.

It is a super-2 number, since 2×75420456383856² (a number of 29 digits) contains 22 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14293350 + ... + 18845178.

It is an arithmetic number, because the mean of its divisors is an integer number (4870919655562).

Almost surely, 2^{75420456383856} is an apocalyptic number.

It is an amenable number.

75420456383856 is an abundant number, since it is smaller than the sum of its proper divisors (119416329838624).

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

75420456383856 is a wasteful number, since it uses less digits than its factorization.

75420456383856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4897033 (or 4897027 counting only the distinct ones).

The product of its (nonzero) digits is 580608000, while the sum is 66.

The spelling of 75420456383856 in words is "seventy-five trillion, four hundred twenty billion, four hundred fifty-six million, three hundred eighty-three thousand, eight hundred fifty-six".