3667320440 has 64 divisors (see below), whose sum is σ = 9660288960. Its totient is φ = 1226695680.

The previous prime is 3667320431. The next prime is 3667320467. The reversal of 3667320440 is 440237663.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 3667320440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148247 + ... + 171206.

It is an arithmetic number, because the mean of its divisors is an integer number (150942015).

Almost surely, 2^3667320440 is an apocalyptic number.

It is an amenable number.

3667320440 is an abundant number, since it is smaller than the sum of its proper divisors (5992968520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3667320440 is a wasteful number, since it uses less digits than its factorization.

3667320440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319512 (or 319508 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 35.

The square root of 3667320440 is about 60558.4051969667. The cubic root of 3667320440 is about 1542.1133127036.

The spelling of 3667320440 in words is "three billion, six hundred sixty-seven million, three hundred twenty thousand, four hundred forty".