40767459915 has 256 divisors, whose sum is σ = 87314411520. Its totient is φ = 15765995520.

The previous prime is 40767459913. The next prime is 40767459959. The reversal of 40767459915 is 51995476704.

It is a happy number.

It is not a de Polignac number, because 40767459915 - 2¹ = 40767459913 is a prime.

It is a super-2 number, since 2×40767459915² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (40767459913) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 115488379 + ... + 115488731.

It is an arithmetic number, because the mean of its divisors is an integer number (341071920).

Almost surely, 2^40767459915 is an apocalyptic number.

40767459915 is an abundant number, since it is smaller than the sum of its proper divisors (46546951605).

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

40767459915 is a wasteful number, since it uses less digits than its factorization.

40767459915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534.

The product of its (nonzero) digits is 9525600, while the sum is 57.

The spelling of 40767459915 in words is "forty billion, seven hundred sixty-seven million, four hundred fifty-nine thousand, nine hundred fifteen".