40354234 has 16 divisors (see below), whose sum is σ = 61670016. Its totient is φ = 19800000.

The previous prime is 40354217. The next prime is 40354261. The reversal of 40354234 is 43245304.

It is a junction number, because it is equal to n+sod(n) for n = 40354199 and 40354208.

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, 53359 + ... + 54109.

It is an arithmetic number, because the mean of its divisors is an integer number (3854376).

Almost surely, 2^40354234 is an apocalyptic number.

40354234 is a deficient number, since it is larger than the sum of its proper divisors (21315782).

40354234 is a wasteful number, since it uses less digits than its factorization.

40354234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 40354234 is about 6352.4982487207. The cubic root of 40354234 is about 343.0017764615.

Adding to 40354234 its reverse (43245304), we get a palindrome (83599538).

The spelling of 40354234 in words is "forty million, three hundred fifty-four thousand, two hundred thirty-four".