1602542440 has 32 divisors (see below), whose sum is σ = 3608336160. Its totient is φ = 640552000.

The previous prime is 1602542419. The next prime is 1602542443. The reversal of 1602542440 is 442452061.

It is a junction number, because it is equal to n+sod(n) for n = 1602542399 and 1602542408.

It is not an unprimeable number, because it can be changed into a prime (1602542443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44235 + ... + 71845.

It is an arithmetic number, because the mean of its divisors is an integer number (112760505).

Almost surely, 2^1602542440 is an apocalyptic number.

1602542440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1602542440 is an abundant number, since it is smaller than the sum of its proper divisors (2005793720).

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

1602542440 is a wasteful number, since it uses less digits than its factorization.

1602542440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29073 (or 29069 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1602542440 is about 40031.7678850185. The cubic root of 1602542440 is about 1170.2262790729.

The spelling of 1602542440 in words is "one billion, six hundred two million, five hundred forty-two thousand, four hundred forty".