67404010400 has 36 divisors (see below), whose sum is σ = 164550042342. Its totient is φ = 26961603840.

The previous prime is 67404010357. The next prime is 67404010417. The reversal of 67404010400 is 401040476.

It can be written as a sum of positive squares in 3 ways, for example, as 42464020624 + 24939989776 = 206068^2 + 157924^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 67404010400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42126707 + ... + 42128306.

Almost surely, 2^67404010400 is an apocalyptic number.

It is an amenable number.

67404010400 is an abundant number, since it is smaller than the sum of its proper divisors (97146031942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67404010400 is a wasteful number, since it uses less digits than its factorization.

67404010400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84255033 (or 84255020 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 67404010400 its reverse (401040476), we get a palindrome (67805050876).

The spelling of 67404010400 in words is "sixty-seven billion, four hundred four million, ten thousand, four hundred".