40354434 has 24 divisors (see below), whose sum is σ = 88491312. Its totient is φ = 13288920.

The previous prime is 40354429. The next prime is 40354451. The reversal of 40354434 is 43445304.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 40354398 and 40354407.

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 11 ways as a sum of consecutive naturals, for example, 12012 + ... + 14999.

It is an arithmetic number, because the mean of its divisors is an integer number (3687138).

Almost surely, 2^40354434 is an apocalyptic number.

40354434 is an abundant number, since it is smaller than the sum of its proper divisors (48136878).

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

40354434 is a wasteful number, since it uses less digits than its factorization.

40354434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27102 (or 27099 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 40354434 is about 6352.5139905395. The cubic root of 40354434 is about 343.0023431120.

Adding to 40354434 its reverse (43445304), we get a palindrome (83799738).

The spelling of 40354434 in words is "forty million, three hundred fifty-four thousand, four hundred thirty-four".