67401040067000 has 32 divisors (see below), whose sum is σ = 157718433759120. Its totient is φ = 26960416026400.

The previous prime is 67401040066981. The next prime is 67401040067021. The reversal of 67401040067000 is 76004010476.

It is a happy number.

It is a super-2 number, since 2×67401040067000² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 33700519034 + ... + 33700521033.

Almost surely, 2^{67401040067000} is an apocalyptic number.

It is an amenable number.

67401040067000 is an abundant number, since it is smaller than the sum of its proper divisors (90317393692120).

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

67401040067000 is a wasteful number, since it uses less digits than its factorization.

67401040067000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67401040088 (or 67401040074 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

Adding to 67401040067000 its reverse (76004010476), we get a palindrome (67477044077476).

The spelling of 67401040067000 in words is "sixty-seven trillion, four hundred one billion, forty million, sixty-seven thousand".