64045400454046 has 16 divisors (see below), whose sum is σ = 105407353775088. Its totient is φ = 28943270828800.

The previous prime is 64045400454041. The next prime is 64045400454071.

64045400454046 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 64045400453987 and 64045400454005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64045400454041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8413737715 + ... + 8413745326.

It is an arithmetic number, because the mean of its divisors is an integer number (6587959610943).

Almost surely, 2^{64045400454046} is an apocalyptic number.

64045400454046 is a deficient number, since it is larger than the sum of its proper divisors (41361953321042).

64045400454046 is a wasteful number, since it uses less digits than its factorization.

64045400454046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16827483227.

The product of its (nonzero) digits is 3686400, while the sum is 46.

It can be divided in two parts, 64045400 and 454046, that added together give a palindrome (64499446).

The spelling of 64045400454046 in words is "sixty-four trillion, forty-five billion, four hundred million, four hundred fifty-four thousand, forty-six".