40767958764 has 144 divisors (see below), whose sum is σ = 115073387520. Its totient is φ = 12084888960.

The previous prime is 40767958753. The next prime is 40767958787. The reversal of 40767958764 is 46785976704.

40767958764 is a `hidden beast` number, since 40 + 7 + 6 + 7 + 9 + 587 + 6 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3287127 + ... + 3299505.

Almost surely, 2^40767958764 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 40767958764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57536693760).

40767958764 is an abundant number, since it is smaller than the sum of its proper divisors (74305428756).

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

40767958764 is a wasteful number, since it uses less digits than its factorization.

40767958764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12660 (or 12655 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 63.

The spelling of 40767958764 in words is "forty billion, seven hundred sixty-seven million, nine hundred fifty-eight thousand, seven hundred sixty-four".