6450040400546 has 16 divisors (see below), whose sum is σ = 9857939484600. Its totient is φ = 3164064653568.

The previous prime is 6450040400423. The next prime is 6450040400569.

6450040400546 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 6133027485025 + 317012915521 = 2476495^2 + 563039^2 .

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, 2203370 + ... + 4213658.

Almost surely, 2^{6450040400546} is an apocalyptic number.

6450040400546 is a deficient number, since it is larger than the sum of its proper divisors (3407899084054).

6450040400546 is a wasteful number, since it uses less digits than its factorization.

6450040400546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040613.

The product of its (nonzero) digits is 230400, while the sum is 38.

It can be divided in two parts, 6450040 and 400546, that added together give a palindrome (6850586).

The spelling of 6450040400546 in words is "six trillion, four hundred fifty billion, forty million, four hundred thousand, five hundred forty-six".