40820296 has 16 divisors (see below), whose sum is σ = 83496240. Its totient is φ = 18554640.

The previous prime is 40820293. The next prime is 40820333. The reversal of 40820296 is 69202804.

It is not an unprimeable number, because it can be changed into a prime (40820291) 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, 231846 + ... + 232021.

It is an arithmetic number, because the mean of its divisors is an integer number (5218515).

Almost surely, 2^40820296 is an apocalyptic number.

It is an amenable number.

40820296 is an abundant number, since it is smaller than the sum of its proper divisors (42675944).

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

40820296 is a wasteful number, since it uses less digits than its factorization.

40820296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463884 (or 463880 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 40820296 is about 6389.0763025652. The cubic root of 40820296 is about 344.3171988611.

The spelling of 40820296 in words is "forty million, eight hundred twenty thousand, two hundred ninety-six".