40451282 has 4 divisors (see below), whose sum is σ = 60676926. Its totient is φ = 20225640.

The previous prime is 40451269. The next prime is 40451291. The reversal of 40451282 is 28215404.

It is a happy number.

40451282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 30459361 + 9991921 = 5519^2 + 3161^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10112819 + ... + 10112822.

Almost surely, 2^40451282 is an apocalyptic number.

40451282 is a deficient number, since it is larger than the sum of its proper divisors (20225644).

40451282 is a wasteful number, since it uses less digits than its factorization.

40451282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20225643.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 40451282 is about 6360.1322313298. The cubic root of 40451282 is about 343.2765182849.

Adding to 40451282 its reverse (28215404), we get a palindrome (68666686).

The spelling of 40451282 in words is "forty million, four hundred fifty-one thousand, two hundred eighty-two".