40386484 has 6 divisors (see below), whose sum is σ = 70676354. Its totient is φ = 20193240.

The previous prime is 40386481. The next prime is 40386487. The reversal of 40386484 is 48468304.

It is an interprime number because it is at equal distance from previous prime (40386481) and next prime (40386487).

It can be written as a sum of positive squares in only one way, i.e., 24226084 + 16160400 = 4922^2 + 4020^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40386481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5048307 + ... + 5048314.

Almost surely, 2^40386484 is an apocalyptic number.

It is an amenable number.

40386484 is a deficient number, since it is larger than the sum of its proper divisors (30289870).

40386484 is a wasteful number, since it uses less digits than its factorization.

40386484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10096625 (or 10096623 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The square root of 40386484 is about 6355.0361131940. The cubic root of 40386484 is about 343.0931246773.

The spelling of 40386484 in words is "forty million, three hundred eighty-six thousand, four hundred eighty-four".