40551400 has 24 divisors (see below), whose sum is σ = 94282470. Its totient is φ = 16220480.

The previous prime is 40551361. The next prime is 40551431. The reversal of 40551400 is 415504.

40551400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 38663524 + 1887876 = 6218^2 + 1374^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101179 + ... + 101578.

Almost surely, 2^40551400 is an apocalyptic number.

40551400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40551400 is an abundant number, since it is smaller than the sum of its proper divisors (53731070).

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

40551400 is a wasteful number, since it uses less digits than its factorization.

40551400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202773 (or 202764 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 40551400 is about 6367.9981155776. The cubic root of 40551400 is about 343.5594911323.

Adding to 40551400 its reverse (415504), we get a palindrome (40966904).

The spelling of 40551400 in words is "forty million, five hundred fifty-one thousand, four hundred".