40354120 has 16 divisors (see below), whose sum is σ = 90796860. Its totient is φ = 16141632.

The previous prime is 40354103. The next prime is 40354163. The reversal of 40354120 is 2145304.

It can be written as a sum of positive squares in 2 ways, for example, as 36457444 + 3896676 = 6038^2 + 1974^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504387 + ... + 504466.

Almost surely, 2^40354120 is an apocalyptic number.

40354120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40354120 is an abundant number, since it is smaller than the sum of its proper divisors (50442740).

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

40354120 is a wasteful number, since it uses less digits than its factorization.

40354120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008864 (or 1008860 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40354120 is about 6352.4892758666. The cubic root of 40354120 is about 343.0014534699.

Adding to 40354120 its reverse (2145304), we get a palindrome (42499424).

The spelling of 40354120 in words is "forty million, three hundred fifty-four thousand, one hundred twenty".