402240435 has 16 divisors (see below), whose sum is σ = 644339616. Its totient is φ = 214276608.

The previous prime is 402240413. The next prime is 402240481. The reversal of 402240435 is 534042204.

It is not a de Polignac number, because 402240435 - 2⁵ = 402240403 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2134 + ... + 28443.

It is an arithmetic number, because the mean of its divisors is an integer number (40271226).

Almost surely, 2^402240435 is an apocalyptic number.

402240435 is a deficient number, since it is larger than the sum of its proper divisors (242099181).

402240435 is a wasteful number, since it uses less digits than its factorization.

402240435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31462.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 402240435 is about 20055.9326634290. The cubic root of 402240435 is about 738.1793781843.

Adding to 402240435 its reverse (534042204), we get a palindrome (936282639).

The spelling of 402240435 in words is "four hundred two million, two hundred forty thousand, four hundred thirty-five".