40435554 has 16 divisors (see below), whose sum is σ = 85628448. Its totient is φ = 12685632.

The previous prime is 40435547. The next prime is 40435579. The reversal of 40435554 is 45553404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198112 + ... + 198315.

It is an arithmetic number, because the mean of its divisors is an integer number (5351778).

Almost surely, 2^40435554 is an apocalyptic number.

40435554 is an abundant number, since it is smaller than the sum of its proper divisors (45192894).

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

40435554 is a wasteful number, since it uses less digits than its factorization.

40435554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396449.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 40435554 is about 6358.8956588389. The cubic root of 40435554 is about 343.2320223488.

Adding to 40435554 its reverse (45553404), we get a palindrome (85988958).

The spelling of 40435554 in words is "forty million, four hundred thirty-five thousand, five hundred fifty-four".