40446541 has 6 divisors (see below), whose sum is σ = 41458826. Its totient is φ = 39458400.

The previous prime is 40446533. The next prime is 40446547. The reversal of 40446541 is 14564404.

It can be written as a sum of positive squares in 3 ways, for example, as 1334025 + 39112516 = 1155^2 + 6254^2 .

It is not a de Polignac number, because 40446541 - 2³ = 40446533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40446547) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10350 + ... + 13711.

Almost surely, 2^40446541 is an apocalyptic number.

40446541 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40446541 is a deficient number, since it is larger than the sum of its proper divisors (1012285).

40446541 is an equidigital number, since it uses as much as digits as its factorization.

40446541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24143 (or 24102 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 40446541 is about 6359.7595080317. The cubic root of 40446541 is about 343.2631067811.

It can be divided in two parts, 4044 and 6541, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 40446541 in words is "forty million, four hundred forty-six thousand, five hundred forty-one".