40353404 has 48 divisors (see below), whose sum is σ = 88435200. Its totient is φ = 15685056.

The previous prime is 40353373. The next prime is 40353433. The reversal of 40353404 is 40435304.

40353404 = T₂₇₇ + T₂₇₈ + ... + T₆₄₀.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40353404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20537 + ... + 22415.

It is an arithmetic number, because the mean of its divisors is an integer number (1842400).

Almost surely, 2^40353404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40353404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44217600).

40353404 is an abundant number, since it is smaller than the sum of its proper divisors (48081796).

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

40353404 is a wasteful number, since it uses less digits than its factorization.

40353404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962 (or 1960 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 40353404 is about 6352.4329197560. The cubic root of 40353404 is about 342.9994248419. Note that the first 3 decimals are identical.

Adding to 40353404 its reverse (40435304), we get a palindrome (80788708).

The spelling of 40353404 in words is "forty million, three hundred fifty-three thousand, four hundred four".