402140335 has 4 divisors (see below), whose sum is σ = 482568408. Its totient is φ = 321712264.

The previous prime is 402140327. The next prime is 402140363. The reversal of 402140335 is 533041204.

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

It is a cyclic number.

It is not a de Polignac number, because 402140335 - 2³ = 402140327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40214029 + ... + 40214038.

It is an arithmetic number, because the mean of its divisors is an integer number (120642102).

Almost surely, 2^402140335 is an apocalyptic number.

402140335 is a deficient number, since it is larger than the sum of its proper divisors (80428073).

402140335 is an equidigital number, since it uses as much as digits as its factorization.

402140335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80428072.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 402140335 is about 20053.4369872099. The cubic root of 402140335 is about 738.1181396151.

Adding to 402140335 its reverse (533041204), we get a palindrome (935181539).

The spelling of 402140335 in words is "four hundred two million, one hundred forty thousand, three hundred thirty-five".