40346045 has 8 divisors (see below), whose sum is σ = 48449880. Its totient is φ = 32253760.

The previous prime is 40346039. The next prime is 40346057. The reversal of 40346045 is 54064304.

It can be written as a sum of positive squares in 4 ways, for example, as 2474329 + 37871716 = 1573^2 + 6154^2 .

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

It is not a de Polignac number, because 40346045 - 2¹⁰ = 40345021 is a prime.

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, 10211 + ... + 13599.

It is an arithmetic number, because the mean of its divisors is an integer number (6056235).

Almost surely, 2^40346045 is an apocalyptic number.

It is an amenable number.

40346045 is a deficient number, since it is larger than the sum of its proper divisors (8103835).

40346045 is a wasteful number, since it uses less digits than its factorization.

40346045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5775.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 40346045 is about 6351.8536664504. The cubic root of 40346045 is about 342.9785733484.

The spelling of 40346045 in words is "forty million, three hundred forty-six thousand, forty-five".