40034427064 has 16 divisors (see below), whose sum is σ = 75066687000. Its totient is φ = 20016643872.

The previous prime is 40034427053. The next prime is 40034427067. The reversal of 40034427064 is 46072443004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40034427067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464862 + ... + 544210.

Almost surely, 2^40034427064 is an apocalyptic number.

It is an amenable number.

40034427064 is a deficient number, since it is larger than the sum of its proper divisors (35032259936).

40034427064 is a wasteful number, since it uses less digits than its factorization.

40034427064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142422 (or 142418 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 34.

The spelling of 40034427064 in words is "forty billion, thirty-four million, four hundred twenty-seven thousand, sixty-four".