40280234 has 16 divisors (see below), whose sum is σ = 61255968. Its totient is φ = 19863792.

The previous prime is 40280231. The next prime is 40280237. The reversal of 40280234 is 43208204.

It is an interprime number because it is at equal distance from previous prime (40280231) and next prime (40280237).

It is not an unprimeable number, because it can be changed into a prime (40280231) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 50789 + ... + 51575.

It is an arithmetic number, because the mean of its divisors is an integer number (3828498).

Almost surely, 2^40280234 is an apocalyptic number.

40280234 is a deficient number, since it is larger than the sum of its proper divisors (20975734).

40280234 is a wasteful number, since it uses less digits than its factorization.

40280234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 40280234 is about 6346.6710959368. The cubic root of 40280234 is about 342.7919871393.

Adding to 40280234 its reverse (43208204), we get a palindrome (83488438).

The spelling of 40280234 in words is "forty million, two hundred eighty thousand, two hundred thirty-four".