4000367454565 has 4 divisors (see below), whose sum is σ = 4800440945484. Its totient is φ = 3200293963648.

The previous prime is 4000367454539. The next prime is 4000367454649. The reversal of 4000367454565 is 5654547630004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2771182807969 + 1229184646596 = 1664687^2 + 1108686^2 .

It is a cyclic number.

It is not a de Polignac number, because 4000367454565 - 2⁵ = 4000367454533 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian 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, 400036745452 + ... + 400036745461.

It is an arithmetic number, because the mean of its divisors is an integer number (1200110236371).

Almost surely, 2^{4000367454565} is an apocalyptic number.

It is an amenable number.

4000367454565 is a deficient number, since it is larger than the sum of its proper divisors (800073490919).

4000367454565 is an equidigital number, since it uses as much as digits as its factorization.

4000367454565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800073490918.

The product of its (nonzero) digits is 6048000, while the sum is 49.

The spelling of 4000367454565 in words is "four trillion, three hundred sixty-seven million, four hundred fifty-four thousand, five hundred sixty-five".