40483778 has 8 divisors (see below), whose sum is σ = 60755772. Its totient is φ = 20231856.

The previous prime is 40483777. The next prime is 40483789. The reversal of 40483778 is 87738404.

It can be written as a sum of positive squares in 2 ways, for example, as 38775529 + 1708249 = 6227^2 + 1307^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×40483778⁴ (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (40483777) 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, 1976 + ... + 9212.

Almost surely, 2^40483778 is an apocalyptic number.

40483778 is a deficient number, since it is larger than the sum of its proper divisors (20271994).

40483778 is a wasteful number, since it uses less digits than its factorization.

40483778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10036.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 40483778 is about 6362.6863823388. The cubic root of 40483778 is about 343.3684158912.

The spelling of 40483778 in words is "forty million, four hundred eighty-three thousand, seven hundred seventy-eight".