54402340399 has 6 divisors (see below), whose sum is σ = 59797613960. Its totient is φ = 49456672980.

The previous prime is 54402340393. The next prime is 54402340403. The reversal of 54402340399 is 99304320445.

It is not a de Polignac number, because 54402340399 - 2¹³ = 54402332207 is a prime.

It is a super-2 number, since 2×54402340399² (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 (54402340393) 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 5 ways as a sum of consecutive naturals, for example, 224802939 + ... + 224803180.

Almost surely, 2^54402340399 is an apocalyptic number.

54402340399 is a deficient number, since it is larger than the sum of its proper divisors (5395273561).

54402340399 is a wasteful number, since it uses less digits than its factorization.

54402340399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449606141 (or 449606130 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 54402340399 in words is "fifty-four billion, four hundred two million, three hundred forty thousand, three hundred ninety-nine".