402419017 has 72 divisors (see below), whose sum is σ = 580765248. Its totient is φ = 275647680.

The previous prime is 402418927. The next prime is 402419033. The reversal of 402419017 is 710914204.

It is not a de Polignac number, because 402419017 - 2¹⁵ = 402386249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402411017) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1772658 + ... + 1772884.

It is an arithmetic number, because the mean of its divisors is an integer number (8066184).

Almost surely, 2^402419017 is an apocalyptic number.

It is an amenable number.

402419017 is a deficient number, since it is larger than the sum of its proper divisors (178346231).

402419017 is a wasteful number, since it uses less digits than its factorization.

402419017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 402419017 is about 20060.3842685029. The cubic root of 402419017 is about 738.2886047681.

The spelling of 402419017 in words is "four hundred two million, four hundred nineteen thousand, seventeen".