40348299 has 4 divisors (see below), whose sum is σ = 53797736. Its totient is φ = 26898864.

The previous prime is 40348289. The next prime is 40348303. The reversal of 40348299 is 99284304.

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

It is not a de Polignac number, because 40348299 - 2⁴ = 40348283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40348249) 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, 6724714 + ... + 6724719.

It is an arithmetic number, because the mean of its divisors is an integer number (13449434).

Almost surely, 2^40348299 is an apocalyptic number.

40348299 is a deficient number, since it is larger than the sum of its proper divisors (13449437).

40348299 is a wasteful number, since it uses less digits than its factorization.

40348299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13449436.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 40348299 is about 6352.0310924932. The cubic root of 40348299 is about 342.9849602554.

The spelling of 40348299 in words is "forty million, three hundred forty-eight thousand, two hundred ninety-nine".