38434400679 has 16 divisors (see below), whose sum is σ = 51911014400. Its totient is φ = 25290566496.

The previous prime is 38434400671. The next prime is 38434400689. The reversal of 38434400679 is 97600443483.

It is not a de Polignac number, because 38434400679 - 2³ = 38434400671 is a prime.

It is a super-2 number, since 2×38434400679² (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 (38434400671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 775362 + ... + 823440.

It is an arithmetic number, because the mean of its divisors is an integer number (3244438400).

Almost surely, 2^38434400679 is an apocalyptic number.

38434400679 is a deficient number, since it is larger than the sum of its proper divisors (13476613721).

38434400679 is a wasteful number, since it uses less digits than its factorization.

38434400679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51534.

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 38434400679 in words is "thirty-eight billion, four hundred thirty-four million, four hundred thousand, six hundred seventy-nine".