402245555 has 16 divisors (see below), whose sum is σ = 490799520. Its totient is φ = 316411392.

The previous prime is 402245533. The next prime is 402245581. The reversal of 402245555 is 555542204.

It is a cyclic number.

It is not a de Polignac number, because 402245555 - 2⁸ = 402245299 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, 326681 + ... + 327909.

It is an arithmetic number, because the mean of its divisors is an integer number (30674970).

Almost surely, 2^402245555 is an apocalyptic number.

402245555 is a deficient number, since it is larger than the sum of its proper divisors (88553965).

402245555 is a wasteful number, since it uses less digits than its factorization.

402245555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278.

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 402245555 is about 20056.0603060521. The cubic root of 402245555 is about 738.1825101936.

Adding to 402245555 its reverse (555542204), we get a palindrome (957787759).

The spelling of 402245555 in words is "four hundred two million, two hundred forty-five thousand, five hundred fifty-five".