516042454 has 8 divisors (see below), whose sum is σ = 774282240. Its totient is φ = 257948376.

The previous prime is 516042437. The next prime is 516042479. The reversal of 516042454 is 454240615.

It is a happy number.

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

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, 27094 + ... + 42025.

It is an arithmetic number, because the mean of its divisors is an integer number (96785280).

Almost surely, 2^516042454 is an apocalyptic number.

516042454 is a deficient number, since it is larger than the sum of its proper divisors (258239786).

516042454 is a wasteful number, since it uses less digits than its factorization.

516042454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72854.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 516042454 is about 22716.5678305505. The cubic root of 516042454 is about 802.0999278475.

The spelling of 516042454 in words is "five hundred sixteen million, forty-two thousand, four hundred fifty-four".