402045455 has 16 divisors (see below), whose sum is σ = 551707200. Its totient is φ = 275523072.

The previous prime is 402045409. The next prime is 402045481. The reversal of 402045455 is 554540204.

It is a cyclic number.

It is not a de Polignac number, because 402045455 - 2⁸ = 402045199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97271 + ... + 101319.

It is an arithmetic number, because the mean of its divisors is an integer number (34481700).

Almost surely, 2^402045455 is an apocalyptic number.

402045455 is a deficient number, since it is larger than the sum of its proper divisors (149661745).

402045455 is a wasteful number, since it uses less digits than its factorization.

402045455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6898.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 402045455 is about 20051.0711683940. The cubic root of 402045455 is about 738.0600851240.

Adding to 402045455 its reverse (554540204), we get a palindrome (956585659).

The spelling of 402045455 in words is "four hundred two million, forty-five thousand, four hundred fifty-five".