40495554 has 36 divisors (see below), whose sum is σ = 96447078. Its totient is φ = 12270720.

The previous prime is 40495549. The next prime is 40495573. The reversal of 40495554 is 45559404.

40495554 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 only one way, i.e., 33350625 + 7144929 = 5775^2 + 2673^2 .

It is a Curzon number.

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 17 ways as a sum of consecutive naturals, for example, 7119 + ... + 11474.

Almost surely, 2^40495554 is an apocalyptic number.

40495554 is an abundant number, since it is smaller than the sum of its proper divisors (55951524).

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

40495554 is a wasteful number, since it uses less digits than its factorization.

40495554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18623 (or 18609 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 40495554 is about 6363.6117103419. The cubic root of 40495554 is about 343.4017058876.

It can be divided in two parts, 40 and 495554, that added together give a palindrome (495594).

The spelling of 40495554 in words is "forty million, four hundred ninety-five thousand, five hundred fifty-four".