45400021424 has 20 divisors (see below), whose sum is σ = 87967974600. Its totient is φ = 22698608640.

The previous prime is 45400021423. The next prime is 45400021549. The reversal of 45400021424 is 42412000454.

It is a super-2 number, since 2×45400021424² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45400021393 and 45400021402.

It is not an unprimeable number, because it can be changed into a prime (45400021423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210179 + ... + 367389.

It is an arithmetic number, because the mean of its divisors is an integer number (4398398730).

Almost surely, 2^45400021424 is an apocalyptic number.

It is an amenable number.

45400021424 is a deficient number, since it is larger than the sum of its proper divisors (42567953176).

45400021424 is a wasteful number, since it uses less digits than its factorization.

45400021424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175268 (or 175262 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 45400021424 its reverse (42412000454), we get a palindrome (87812021878).

The spelling of 45400021424 in words is "forty-five billion, four hundred million, twenty-one thousand, four hundred twenty-four".