40458746 has 8 divisors (see below), whose sum is σ = 61225524. Its totient is φ = 20050240.

The previous prime is 40458727. The next prime is 40458763. The reversal of 40458746 is 64785404.

It can be written as a sum of positive squares in 2 ways, for example, as 32364721 + 8094025 = 5689^2 + 2845^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89285 + ... + 89736.

Almost surely, 2^40458746 is an apocalyptic number.

40458746 is a deficient number, since it is larger than the sum of its proper divisors (20766778).

40458746 is a wasteful number, since it uses less digits than its factorization.

40458746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179136.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 40458746 is about 6360.7189845174. The cubic root of 40458746 is about 343.2976305812.

The spelling of 40458746 in words is "forty million, four hundred fifty-eight thousand, seven hundred forty-six".