40455302 has 4 divisors (see below), whose sum is σ = 60682956. Its totient is φ = 20227650.

The previous prime is 40455301. The next prime is 40455323. The reversal of 40455302 is 20355404.

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

It is a super-2 number, since 2×40455302² = 3273262919822408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40455301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10113824 + ... + 10113827.

It is an arithmetic number, because the mean of its divisors is an integer number (15170739).

Almost surely, 2^40455302 is an apocalyptic number.

40455302 is a deficient number, since it is larger than the sum of its proper divisors (20227654).

40455302 is a wasteful number, since it uses less digits than its factorization.

40455302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20227653.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 40455302 is about 6360.4482546437. The cubic root of 40455302 is about 343.2878893781.

The spelling of 40455302 in words is "forty million, four hundred fifty-five thousand, three hundred two".