40349282 has 4 divisors (see below), whose sum is σ = 60523926. Its totient is φ = 20174640.

The previous prime is 40349273. The next prime is 40349303. The reversal of 40349282 is 28294304.

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., 26204161 + 14145121 = 5119^2 + 3761^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10087319 + ... + 10087322.

Almost surely, 2^40349282 is an apocalyptic number.

40349282 is a deficient number, since it is larger than the sum of its proper divisors (20174644).

40349282 is a wasteful number, since it uses less digits than its factorization.

40349282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20174643.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 40349282 is about 6352.1084688472. The cubic root of 40349282 is about 342.9877455977.

The spelling of 40349282 in words is "forty million, three hundred forty-nine thousand, two hundred eighty-two".