40345268 has 6 divisors (see below), whose sum is σ = 70604226. Its totient is φ = 20172632.

The previous prime is 40345231. The next prime is 40345273. The reversal of 40345268 is 86254304.

It can be written as a sum of positive squares in only one way, i.e., 37112464 + 3232804 = 6092^2 + 1798^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5043155 + ... + 5043162.

It is an arithmetic number, because the mean of its divisors is an integer number (11767371).

Almost surely, 2^40345268 is an apocalyptic number.

It is an amenable number.

40345268 is a deficient number, since it is larger than the sum of its proper divisors (30258958).

40345268 is a wasteful number, since it uses less digits than its factorization.

40345268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10086321 (or 10086319 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 40345268 is about 6351.7925029081. The cubic root of 40345268 is about 342.9763715955.

The spelling of 40345268 in words is "forty million, three hundred forty-five thousand, two hundred sixty-eight".