402403041 has 6 divisors (see below), whose sum is σ = 581248850. Its totient is φ = 268268688.

The previous prime is 402403019. The next prime is 402403051. The reversal of 402403041 is 140304204.

It can be written as a sum of positive squares in only one way, i.e., 255872016 + 146531025 = 15996^2 + 12105^2 .

It is not a de Polignac number, because 402403041 - 2¹¹ = 402400993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (402403051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22355716 + ... + 22355733.

Almost surely, 2^402403041 is an apocalyptic number.

It is an amenable number.

402403041 is a deficient number, since it is larger than the sum of its proper divisors (178845809).

402403041 is a wasteful number, since it uses less digits than its factorization.

402403041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44711455 (or 44711452 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 402403041 is about 20059.9860667948. The cubic root of 402403041 is about 738.2788346410.

Adding to 402403041 its reverse (140304204), we get a palindrome (542707245).

The spelling of 402403041 in words is "four hundred two million, four hundred three thousand, forty-one".