1673604440 has 64 divisors (see below), whose sum is σ = 4115784960. Its totient is φ = 609730560.

The previous prime is 1673604437. The next prime is 1673604469. The reversal of 1673604440 is 444063761.

It is a self number, because there is not a number n which added to its sum of digits gives 1673604440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18617 + ... + 60776.

It is an arithmetic number, because the mean of its divisors is an integer number (64309140).

Almost surely, 2^1673604440 is an apocalyptic number.

1673604440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1673604440 is an abundant number, since it is smaller than the sum of its proper divisors (2442180520).

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

1673604440 is a wasteful number, since it uses less digits than its factorization.

1673604440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79452 (or 79448 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 1673604440 is about 40909.7108276262. The cubic root of 1673604440 is about 1187.2739520239.

The spelling of 1673604440 in words is "one billion, six hundred seventy-three million, six hundred four thousand, four hundred forty".