40265645 has 8 divisors (see below), whose sum is σ = 55221504. Its totient is φ = 27610704.

The previous prime is 40265627. The next prime is 40265677. The reversal of 40265645 is 54656204.

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 40265645 - 2¹⁶ = 40200109 is a prime.

It is a super-3 number, since 3×40265645³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

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, 575189 + ... + 575258.

It is an arithmetic number, because the mean of its divisors is an integer number (6902688).

Almost surely, 2^40265645 is an apocalyptic number.

It is an amenable number.

40265645 is a deficient number, since it is larger than the sum of its proper divisors (14955859).

40265645 is a wasteful number, since it uses less digits than its factorization.

40265645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150459.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 40265645 is about 6345.5216491633. The cubic root of 40265645 is about 342.7505971431.

The spelling of 40265645 in words is "forty million, two hundred sixty-five thousand, six hundred forty-five".