1002040355 has 8 divisors (see below), whose sum is σ = 1203234000. Its totient is φ = 801108576.

The previous prime is 1002040337. The next prime is 1002040357. The reversal of 1002040355 is 5530402001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1002040355 - 2¹⁶ = 1001974819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002040357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56945 + ... + 72434.

It is an arithmetic number, because the mean of its divisors is an integer number (150404250).

Almost surely, 2^1002040355 is an apocalyptic number.

1002040355 is a deficient number, since it is larger than the sum of its proper divisors (201193645).

1002040355 is a wasteful number, since it uses less digits than its factorization.

1002040355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130933.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1002040355 is about 31655.0210077327. The cubic root of 1002040355 is about 1000.6796562960.

Adding to 1002040355 its reverse (5530402001), we get a palindrome (6532442356).

The spelling of 1002040355 in words is "one billion, two million, forty thousand, three hundred fifty-five".