67400040334 has 16 divisors (see below), whose sum is σ = 112099026096. Its totient is φ = 30134145600.

The previous prime is 67400040329. The next prime is 67400040361. The reversal of 67400040334 is 43304000476.

It is a junction number, because it is equal to n+sod(n) for n = 67400040296 and 67400040305.

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, 25110447 + ... + 25113130.

It is an arithmetic number, because the mean of its divisors is an integer number (7006189131).

Almost surely, 2^67400040334 is an apocalyptic number.

67400040334 is a deficient number, since it is larger than the sum of its proper divisors (44698985762).

67400040334 is a wasteful number, since it uses less digits than its factorization.

67400040334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50223651.

The product of its (nonzero) digits is 24192, while the sum is 31.

The spelling of 67400040334 in words is "sixty-seven billion, four hundred million, forty thousand, three hundred thirty-four".