40302234 has 48 divisors (see below), whose sum is σ = 100152000. Its totient is φ = 11473920.

The previous prime is 40302217. The next prime is 40302247. The reversal of 40302234 is 43220304.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62554 + ... + 63194.

It is an arithmetic number, because the mean of its divisors is an integer number (2086500).

Almost surely, 2^40302234 is an apocalyptic number.

40302234 is an abundant number, since it is smaller than the sum of its proper divisors (59849766).

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

40302234 is a wasteful number, since it uses less digits than its factorization.

40302234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 40302234 is about 6348.4040514132. The cubic root of 40302234 is about 342.8543837576.

Adding to 40302234 its reverse (43220304), we get a palindrome (83522538).

The spelling of 40302234 in words is "forty million, three hundred two thousand, two hundred thirty-four".