455453702978 has 16 divisors (see below), whose sum is σ = 686795471736. Its totient is φ = 226522137600.

The previous prime is 455453702911. The next prime is 455453702989. The reversal of 455453702978 is 879207354554.

It can be written as a sum of positive squares in 4 ways, for example, as 455270019169 + 183683809 = 674737^2 + 13553^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3762200 + ... + 3881372.

Almost surely, 2^455453702978 is an apocalyptic number.

455453702978 is a deficient number, since it is larger than the sum of its proper divisors (231341768758).

455453702978 is a wasteful number, since it uses less digits than its factorization.

455453702978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129269.

The product of its (nonzero) digits is 42336000, while the sum is 59.

The spelling of 455453702978 in words is "four hundred fifty-five billion, four hundred fifty-three million, seven hundred two thousand, nine hundred seventy-eight".