1601423340 has 48 divisors (see below), whose sum is σ = 4891622400. Its totient is φ = 388223680.

The previous prime is 1601423333. The next prime is 1601423399. The reversal of 1601423340 is 433241061.

It is a self number, because there is not a number n which added to its sum of digits gives 1601423340.

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, 1212540 + ... + 1213859.

It is an arithmetic number, because the mean of its divisors is an integer number (101908800).

Almost surely, 2^1601423340 is an apocalyptic number.

1601423340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1601423340 is an abundant number, since it is smaller than the sum of its proper divisors (3290199060).

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

1601423340 is a wasteful number, since it uses less digits than its factorization.

1601423340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426422 (or 2426420 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1601423340 is about 40017.7877949294. The cubic root of 1601423340 is about 1169.9538151102.

The spelling of 1601423340 in words is "one billion, six hundred one million, four hundred twenty-three thousand, three hundred forty".