40799340 has 36 divisors (see below), whose sum is σ = 123758544. Its totient is φ = 10879776.

The previous prime is 40799333. The next prime is 40799351. The reversal of 40799340 is 4399704.

40799340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×40799340² = 3329172288871200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 40799295 and 40799304.

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 in 11 ways as a sum of consecutive naturals, for example, 113152 + ... + 113511.

Almost surely, 2^40799340 is an apocalyptic number.

It is an amenable number.

40799340 is an abundant number, since it is smaller than the sum of its proper divisors (82959204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40799340 is a wasteful number, since it uses less digits than its factorization.

40799340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226678 (or 226673 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 40799340 is about 6387.4361053556. The cubic root of 40799340 is about 344.2582678307.

The spelling of 40799340 in words is "forty million, seven hundred ninety-nine thousand, three hundred forty".