40302999 has 24 divisors (see below), whose sum is σ = 63936912. Its totient is φ = 24261120.

The previous prime is 40302991. The next prime is 40303019. The reversal of 40302999 is 99920304.

It is not a de Polignac number, because 40302999 - 2³ = 40302991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40302991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14247 + ... + 16839.

It is an arithmetic number, because the mean of its divisors is an integer number (2664038).

Almost surely, 2^40302999 is an apocalyptic number.

40302999 is a deficient number, since it is larger than the sum of its proper divisors (23633913).

40302999 is a wasteful number, since it uses less digits than its factorization.

40302999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2767 (or 2764 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 40302999 is about 6348.4643024908. The cubic root of 40302999 is about 342.8565530496.

The spelling of 40302999 in words is "forty million, three hundred two thousand, nine hundred ninety-nine".