402042514 has 4 divisors (see below), whose sum is σ = 603063774. Its totient is φ = 201021256.

The previous prime is 402042497. The next prime is 402042523. The reversal of 402042514 is 415240204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 274465489 + 127577025 = 16567^2 + 11295^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100510627 + ... + 100510630.

Almost surely, 2^402042514 is an apocalyptic number.

402042514 is a deficient number, since it is larger than the sum of its proper divisors (201021260).

402042514 is a wasteful number, since it uses less digits than its factorization.

402042514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201021259.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 402042514 is about 20050.9978305320. The cubic root of 402042514 is about 738.0582854601.

Adding to 402042514 its reverse (415240204), we get a palindrome (817282718).

The spelling of 402042514 in words is "four hundred two million, forty-two thousand, five hundred fourteen".