1602612440 has 128 divisors (see below), whose sum is σ = 4485741120. Its totient is φ = 506265600.

The previous prime is 1602612433. The next prime is 1602612461. The reversal of 1602612440 is 442162061.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

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, 89000 + ... + 105480.

Almost surely, 2^1602612440 is an apocalyptic number.

1602612440 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 1602612440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2242870560).

1602612440 is an abundant number, since it is smaller than the sum of its proper divisors (2883128680).

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

1602612440 is a wasteful number, since it uses less digits than its factorization.

1602612440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16533 (or 16529 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1602612440 is about 40032.6421811002. The cubic root of 1602612440 is about 1170.2433175497.

The spelling of 1602612440 in words is "one billion, six hundred two million, six hundred twelve thousand, four hundred forty".