455978378084 has 12 divisors (see below), whose sum is σ = 799207036908. Its totient is φ = 227633510400.

The previous prime is 455978378071. The next prime is 455978378099. The reversal of 455978378084 is 480873879554.

It can be written as a sum of positive squares in 2 ways, for example, as 226995073600 + 228983304484 = 476440^2 + 478522^2 .

It is a super-2 number, since 2×455978378084² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88916777 + ... + 88921904.

It is an arithmetic number, because the mean of its divisors is an integer number (66600586409).

Almost surely, 2^455978378084 is an apocalyptic number.

It is an amenable number.

455978378084 is a deficient number, since it is larger than the sum of its proper divisors (343228658824).

455978378084 is a wasteful number, since it uses less digits than its factorization.

455978378084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177839326 (or 177839324 counting only the distinct ones).

The product of its (nonzero) digits is 270950400, while the sum is 68.

The spelling of 455978378084 in words is "four hundred fifty-five billion, nine hundred seventy-eight million, three hundred seventy-eight thousand, eighty-four".