57407382646 has 8 divisors (see below), whose sum is σ = 87290677944. Its totient is φ = 28310490000.

The previous prime is 57407382601. The next prime is 57407382647. The reversal of 57407382646 is 64628370475.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×57407382646² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57407382593 and 57407382602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57407382647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196600480 + ... + 196600771.

It is an arithmetic number, because the mean of its divisors is an integer number (10911334743).

Almost surely, 2^57407382646 is an apocalyptic number.

57407382646 is a deficient number, since it is larger than the sum of its proper divisors (29883295298).

57407382646 is a wasteful number, since it uses less digits than its factorization.

57407382646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393201326.

The product of its (nonzero) digits is 6773760, while the sum is 52.

The spelling of 57407382646 in words is "fifty-seven billion, four hundred seven million, three hundred eighty-two thousand, six hundred forty-six".