57405877442 has 8 divisors (see below), whose sum is σ = 86118876732. Its totient is φ = 28699585200.

The previous prime is 57405877429. The next prime is 57405877453. The reversal of 57405877442 is 24477850475.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 56987715841 + 418161601 = 238721^2 + 20449^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1655309 + ... + 1689632.

Almost surely, 2^57405877442 is an apocalyptic number.

57405877442 is a deficient number, since it is larger than the sum of its proper divisors (28712999290).

57405877442 is a wasteful number, since it uses less digits than its factorization.

57405877442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353524.

The product of its (nonzero) digits is 8780800, while the sum is 53.

The spelling of 57405877442 in words is "fifty-seven billion, four hundred five million, eight hundred seventy-seven thousand, four hundred forty-two".