40478296 has 16 divisors (see below), whose sum is σ = 77948640. Its totient is φ = 19692000.

The previous prime is 40478293. The next prime is 40478299. The reversal of 40478296 is 69287404.

It is an interprime number because it is at equal distance from previous prime (40478293) and next prime (40478299).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40478293) 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, 68080 + ... + 68671.

It is an arithmetic number, because the mean of its divisors is an integer number (4871790).

Almost surely, 2^40478296 is an apocalyptic number.

It is an amenable number.

40478296 is a deficient number, since it is larger than the sum of its proper divisors (37470344).

40478296 is a wasteful number, since it uses less digits than its factorization.

40478296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136794 (or 136790 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 40478296 is about 6362.2555748728. The cubic root of 40478296 is about 343.3529164268.

The spelling of 40478296 in words is "forty million, four hundred seventy-eight thousand, two hundred ninety-six".