57272317740 has 144 divisors (see below), whose sum is σ = 191086380576. Its totient is φ = 13884140160.

The previous prime is 57272317721. The next prime is 57272317777. The reversal of 57272317740 is 4771327275.

57272317740 is a `hidden beast` number, since 572 + 7 + 2 + 3 + 1 + 7 + 74 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 120054 + ... + 359106.

It is an arithmetic number, because the mean of its divisors is an integer number (1326988754).

Almost surely, 2^57272317740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57272317740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95543190288).

57272317740 is an abundant number, since it is smaller than the sum of its proper divisors (133814062836).

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

57272317740 is a wasteful number, since it uses less digits than its factorization.

57272317740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239101 (or 239074 counting only the distinct ones).

The product of its (nonzero) digits is 576240, while the sum is 45.

The spelling of 57272317740 in words is "fifty-seven billion, two hundred seventy-two million, three hundred seventeen thousand, seven hundred forty".