45400273400 has 24 divisors (see below), whose sum is σ = 105555636120. Its totient is φ = 18160109280.

The previous prime is 45400273393. The next prime is 45400273411. The reversal of 45400273400 is 437200454.

It is a super-2 number, since 2×45400273400² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113500484 + ... + 113500883.

It is an arithmetic number, because the mean of its divisors is an integer number (4398151505).

Almost surely, 2^45400273400 is an apocalyptic number.

45400273400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45400273400 is an abundant number, since it is smaller than the sum of its proper divisors (60155362720).

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

45400273400 is a wasteful number, since it uses less digits than its factorization.

45400273400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227001383 (or 227001374 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

Adding to 45400273400 its reverse (437200454), we get a palindrome (45837473854).

The spelling of 45400273400 in words is "forty-five billion, four hundred million, two hundred seventy-three thousand, four hundred".