57405398378 has 16 divisors (see below), whose sum is σ = 89896141440. Its totient is φ = 27441246096.

The previous prime is 57405398371. The next prime is 57405398417. The reversal of 57405398378 is 87389350475.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (57405398371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212225 + ... + 399812.

It is an arithmetic number, because the mean of its divisors is an integer number (5618508840).

Almost surely, 2^57405398378 is an apocalyptic number.

57405398378 is a deficient number, since it is larger than the sum of its proper divisors (32490743062).

57405398378 is a wasteful number, since it uses less digits than its factorization.

57405398378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614101.

The product of its (nonzero) digits is 25401600, while the sum is 59.

The spelling of 57405398378 in words is "fifty-seven billion, four hundred five million, three hundred ninety-eight thousand, three hundred seventy-eight".