40412546 has 8 divisors (see below), whose sum is σ = 60884220. Its totient is φ = 20117808.

The previous prime is 40412531. The next prime is 40412549. The reversal of 40412546 is 64521404.

It can be written as a sum of positive squares in 2 ways, for example, as 38576521 + 1836025 = 6211^2 + 1355^2 .

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

It is not an unprimeable number, because it can be changed into a prime (40412549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43661 + ... + 44576.

Almost surely, 2^40412546 is an apocalyptic number.

40412546 is a deficient number, since it is larger than the sum of its proper divisors (20471674).

40412546 is a wasteful number, since it uses less digits than its factorization.

40412546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88468.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 40412546 is about 6357.0862822523. The cubic root of 40412546 is about 343.1669098435.

The spelling of 40412546 in words is "forty million, four hundred twelve thousand, five hundred forty-six".