40996478 has 4 divisors (see below), whose sum is σ = 61494720. Its totient is φ = 20498238.

The previous prime is 40996457. The next prime is 40996493. The reversal of 40996478 is 87469904.

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

It is a super-2 number, since 2×40996478² = 3361422416808968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10249118 + ... + 10249121.

It is an arithmetic number, because the mean of its divisors is an integer number (15373680).

Almost surely, 2^40996478 is an apocalyptic number.

40996478 is a deficient number, since it is larger than the sum of its proper divisors (20498242).

40996478 is a wasteful number, since it uses less digits than its factorization.

40996478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20498241.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 40996478 is about 6402.8492095316. The cubic root of 40996478 is about 344.8118500798.

The spelling of 40996478 in words is "forty million, nine hundred ninety-six thousand, four hundred seventy-eight".