1002441402 has 24 divisors (see below), whose sum is σ = 2201712084. Its totient is φ = 329569344.

The previous prime is 1002441379. The next prime is 1002441409. The reversal of 1002441402 is 2041442001.

It can be written as a sum of positive squares in 2 ways, for example, as 1000393641 + 2047761 = 31629^2 + 1431^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1002441409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 380133 + ... + 382760.

Almost surely, 2^1002441402 is an apocalyptic number.

1002441402 is an abundant number, since it is smaller than the sum of its proper divisors (1199270682).

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

1002441402 is a wasteful number, since it uses less digits than its factorization.

1002441402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762974 (or 762971 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1002441402 is about 31661.3550246985. The cubic root of 1002441402 is about 1000.8131392919.

Adding to 1002441402 its reverse (2041442001), we get a palindrome (3043883403).

The spelling of 1002441402 in words is "one billion, two million, four hundred forty-one thousand, four hundred two".