40458745 has 8 divisors (see below), whose sum is σ = 48639240. Its totient is φ = 32307840.

The previous prime is 40458727. The next prime is 40458763. The reversal of 40458745 is 54785404.

It is an interprime number because it is at equal distance from previous prime (40458727) and next prime (40458763).

It can be written as a sum of positive squares in 4 ways, for example, as 2155024 + 38303721 = 1468^2 + 6189^2 .

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

It is not a de Polignac number, because 40458745 - 2⁵ = 40458713 is a prime.

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, 4266 + ... + 9955.

It is an arithmetic number, because the mean of its divisors is an integer number (6079905).

Almost surely, 2^40458745 is an apocalyptic number.

It is an amenable number.

40458745 is a deficient number, since it is larger than the sum of its proper divisors (8180495).

40458745 is a wasteful number, since it uses less digits than its factorization.

40458745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14795.

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 40458745 is about 6360.7189059099. The cubic root of 40458745 is about 343.2976277528.

The spelling of 40458745 in words is "forty million, four hundred fifty-eight thousand, seven hundred forty-five".