40553404 has 6 divisors (see below), whose sum is σ = 70968464. Its totient is φ = 20276700.

The previous prime is 40553399. The next prime is 40553407. The reversal of 40553404 is 40435504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40553407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5069172 + ... + 5069179.

Almost surely, 2^40553404 is an apocalyptic number.

It is an amenable number.

40553404 is a deficient number, since it is larger than the sum of its proper divisors (30415060).

40553404 is a wasteful number, since it uses less digits than its factorization.

40553404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10138355 (or 10138353 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 40553404 is about 6368.1554629265. The cubic root of 40553404 is about 343.5651504673.

Adding to 40553404 its reverse (40435504), we get a palindrome (80988908).

The spelling of 40553404 in words is "forty million, five hundred fifty-three thousand, four hundred four".