40321546 has 4 divisors (see below), whose sum is σ = 60482322. Its totient is φ = 20160772.

The previous prime is 40321543. The next prime is 40321583. The reversal of 40321546 is 64512304.

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

It can be written as a sum of positive squares in only one way, i.e., 30680521 + 9641025 = 5539^2 + 3105^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40321546.

It is not an unprimeable number, because it can be changed into a prime (40321543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10080385 + ... + 10080388.

Almost surely, 2^40321546 is an apocalyptic number.

40321546 is a deficient number, since it is larger than the sum of its proper divisors (20160776).

40321546 is a wasteful number, since it uses less digits than its factorization.

40321546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20160775.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 40321546 is about 6349.9248814454. The cubic root of 40321546 is about 342.9091379312.

The spelling of 40321546 in words is "forty million, three hundred twenty-one thousand, five hundred forty-six".