5451678442 has 8 divisors (see below), whose sum is σ = 9345734496. Its totient is φ = 2336433612.

The previous prime is 5451678433. The next prime is 5451678461. The reversal of 5451678442 is 2448761545.

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

It is a junction number, because it is equal to n+sod(n) for n = 5451678392 and 5451678401.

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, 194702788 + ... + 194702815.

It is an arithmetic number, because the mean of its divisors is an integer number (1168216812).

Almost surely, 2^5451678442 is an apocalyptic number.

5451678442 is a deficient number, since it is larger than the sum of its proper divisors (3894056054).

5451678442 is a wasteful number, since it uses less digits than its factorization.

5451678442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389405612.

The product of its digits is 1075200, while the sum is 46.

The square root of 5451678442 is about 73835.4822697055. The cubic root of 5451678442 is about 1759.9895017022.

The spelling of 5451678442 in words is "five billion, four hundred fifty-one million, six hundred seventy-eight thousand, four hundred forty-two".