1602044940 has 96 divisors (see below), whose sum is σ = 4545192960. Its totient is φ = 421583616.

The previous prime is 1602044911. The next prime is 1602044953. The reversal of 1602044940 is 494402061.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1602044898 and 1602044907.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3184729 + ... + 3185231.

It is an arithmetic number, because the mean of its divisors is an integer number (47345760).

Almost surely, 2^1602044940 is an apocalyptic number.

1602044940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1602044940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2272596480).

1602044940 is an abundant number, since it is smaller than the sum of its proper divisors (2943148020).

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

1602044940 is a wasteful number, since it uses less digits than its factorization.

1602044940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111 (or 1109 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1602044940 is about 40025.5535876770. The cubic root of 1602044940 is about 1170.1051698872.

The spelling of 1602044940 in words is "one billion, six hundred two million, forty-four thousand, nine hundred forty".