454493072678 has 8 divisors (see below), whose sum is σ = 681743110680. Its totient is φ = 227245369120.

The previous prime is 454493072633. The next prime is 454493072711. The reversal of 454493072678 is 876270394454.

It is a happy number.

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

It is a super-2 number, since 2×454493072678² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 33713 + ... + 954003.

It is an arithmetic number, because the mean of its divisors is an integer number (85217888835).

Almost surely, 2^454493072678 is an apocalyptic number.

454493072678 is a deficient number, since it is larger than the sum of its proper divisors (227250038002).

454493072678 is a wasteful number, since it uses less digits than its factorization.

454493072678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167222.

The product of its (nonzero) digits is 40642560, while the sum is 59.

The spelling of 454493072678 in words is "four hundred fifty-four billion, four hundred ninety-three million, seventy-two thousand, six hundred seventy-eight".