40268045 has 8 divisors (see below), whose sum is σ = 48511224. Its totient is φ = 32088064.

The previous prime is 40268029. The next prime is 40268051. The reversal of 40268045 is 54086204.

It can be written as a sum of positive squares in 4 ways, for example, as 26152996 + 14115049 = 5114^2 + 3757^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40268045 - 2⁴ = 40268029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40267999 and 40268017.

It is a congruent number.

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, 14384 + ... + 16953.

It is an arithmetic number, because the mean of its divisors is an integer number (6063903).

Almost surely, 2^40268045 is an apocalyptic number.

It is an amenable number.

40268045 is a deficient number, since it is larger than the sum of its proper divisors (8243179).

40268045 is a wasteful number, since it uses less digits than its factorization.

40268045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31599.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 40268045 is about 6345.7107560934. The cubic root of 40268045 is about 342.7574067951.

The spelling of 40268045 in words is "forty million, two hundred sixty-eight thousand, forty-five".