40767044420 has 24 divisors (see below), whose sum is σ = 85670595864. Its totient is φ = 16295426816.

The previous prime is 40767044413. The next prime is 40767044441. The reversal of 40767044420 is 2444076704.

It can be written as a sum of positive squares in 4 ways, for example, as 3484068676 + 37282975744 = 59026^2 + 193088^2 .

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, 682559 + ... + 739878.

It is an arithmetic number, because the mean of its divisors is an integer number (3569608161).

Almost surely, 2^40767044420 is an apocalyptic number.

It is an amenable number.

40767044420 is an abundant number, since it is smaller than the sum of its proper divisors (44903551444).

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

40767044420 is a wasteful number, since it uses less digits than its factorization.

40767044420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423879 (or 1423877 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 38.

The spelling of 40767044420 in words is "forty billion, seven hundred sixty-seven million, forty-four thousand, four hundred twenty".