67436046460 has 48 divisors (see below), whose sum is σ = 147926693376. Its totient is φ = 25774765632.

The previous prime is 67436046451. The next prime is 67436046463. The reversal of 67436046460 is 6464063476.

67436046460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 67436046460.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67436046463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369019 + ... + 520621.

It is an arithmetic number, because the mean of its divisors is an integer number (3081806112).

Almost surely, 2^67436046460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67436046460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73963346688).

67436046460 is an abundant number, since it is smaller than the sum of its proper divisors (80490646916).

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

67436046460 is a wasteful number, since it uses less digits than its factorization.

67436046460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152602 (or 152600 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 46.

The spelling of 67436046460 in words is "sixty-seven billion, four hundred thirty-six million, forty-six thousand, four hundred sixty".