400516651452215 has 8 divisors (see below), whose sum is σ = 480621500240400. Its totient is φ = 320412308829952.

The previous prime is 400516651452163. The next prime is 400516651452223. The reversal of 400516651452215 is 512254156615004.

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

It is a cyclic number.

It is not a de Polignac number, because 400516651452215 - 2¹⁶ = 400516651386679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 400516651452215.

It is a congruent 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, 124798490 + ... + 127967559.

It is an arithmetic number, because the mean of its divisors is an integer number (60077687530050).

Almost surely, 2^{400516651452215} is an apocalyptic number.

400516651452215 is a deficient number, since it is larger than the sum of its proper divisors (80104848788185).

400516651452215 is a wasteful number, since it uses less digits than its factorization.

400516651452215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253082961.

The product of its (nonzero) digits is 1440000, while the sum is 47.

The spelling of 400516651452215 in words is "four hundred trillion, five hundred sixteen billion, six hundred fifty-one million, four hundred fifty-two thousand, two hundred fifteen".