40446371 has 4 divisors (see below), whose sum is σ = 46224432. Its totient is φ = 34668312.

The previous prime is 40446361. The next prime is 40446409. The reversal of 40446371 is 17364404.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40446371 - 2²² = 36252067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40446361) 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, 2889020 + ... + 2889033.

It is an arithmetic number, because the mean of its divisors is an integer number (11556108).

Almost surely, 2^40446371 is an apocalyptic number.

40446371 is a deficient number, since it is larger than the sum of its proper divisors (5778061).

40446371 is an equidigital number, since it uses as much as digits as its factorization.

40446371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5778060.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 40446371 is about 6359.7461427324. The cubic root of 40446371 is about 343.2626258598.

The spelling of 40446371 in words is "forty million, four hundred forty-six thousand, three hundred seventy-one".