40067787869 has 8 divisors (see below), whose sum is σ = 40224373728. Its totient is φ = 39911371920.

The previous prime is 40067787863. The next prime is 40067787923. The reversal of 40067787869 is 96878776004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40067787869 - 2¹² = 40067783773 is a prime.

It is a super-2 number, since 2×40067787869² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40067787863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440759 + ... + 523835.

It is an arithmetic number, because the mean of its divisors is an integer number (5028046716).

Almost surely, 2^40067787869 is an apocalyptic number.

It is an amenable number.

40067787869 is a deficient number, since it is larger than the sum of its proper divisors (156585859).

40067787869 is a wasteful number, since it uses less digits than its factorization.

40067787869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84955.

The product of its (nonzero) digits is 28449792, while the sum is 62.

The spelling of 40067787869 in words is "forty billion, sixty-seven million, seven hundred eighty-seven thousand, eight hundred sixty-nine".