1602402340 has 48 divisors (see below), whose sum is σ = 4195384704. Its totient is φ = 499449600.

The previous prime is 1602402313. The next prime is 1602402343. The reversal of 1602402340 is 432042061.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1602402343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518721 + ... + 521800.

It is an arithmetic number, because the mean of its divisors is an integer number (87403848).

Almost surely, 2^1602402340 is an apocalyptic number.

1602402340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1602402340 is an abundant number, since it is smaller than the sum of its proper divisors (2592982364).

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

1602402340 is a wasteful number, since it uses less digits than its factorization.

1602402340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040548 (or 1040546 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1602402340 is about 40030.0179865061. The cubic root of 1602402340 is about 1170.1921762881.

It can be divided in two parts, 160 and 2402340, that added together give a square (2402500 = 1550²).

The spelling of 1602402340 in words is "one billion, six hundred two million, four hundred two thousand, three hundred forty".