40418128 has 20 divisors (see below), whose sum is σ = 80221428. Its totient is φ = 19715840.

The previous prime is 40418113. The next prime is 40418137. The reversal of 40418128 is 82181404.

It can be written as a sum of positive squares in 2 ways, for example, as 627264 + 39790864 = 792^2 + 6308^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40418096 and 40418105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30151 + ... + 31462.

Almost surely, 2^40418128 is an apocalyptic number.

It is an amenable number.

40418128 is a deficient number, since it is larger than the sum of its proper divisors (39803300).

40418128 is a wasteful number, since it uses less digits than its factorization.

40418128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61662 (or 61656 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 40418128 is about 6357.5253047078. The cubic root of 40418128 is about 343.1827091410.

The spelling of 40418128 in words is "forty million, four hundred eighteen thousand, one hundred twenty-eight".