40302399 has 4 divisors (see below), whose sum is σ = 53736536. Its totient is φ = 26868264.

The previous prime is 40302391. The next prime is 40302407. The reversal of 40302399 is 99320304.

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

It is an interprime number because it is at equal distance from previous prime (40302391) and next prime (40302407).

It is not a de Polignac number, because 40302399 - 2³ = 40302391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40302391) 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, 6717064 + ... + 6717069.

It is an arithmetic number, because the mean of its divisors is an integer number (13434134).

Almost surely, 2^40302399 is an apocalyptic number.

40302399 is a deficient number, since it is larger than the sum of its proper divisors (13434137).

40302399 is a wasteful number, since it uses less digits than its factorization.

40302399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13434136.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 40302399 is about 6348.4170467921. The cubic root of 40302399 is about 342.8548516464.

The spelling of 40302399 in words is "forty million, three hundred two thousand, three hundred ninety-nine".