402420165245 has 8 divisors (see below), whose sum is σ = 551890512384. Its totient is φ = 275945256144.

The previous prime is 402420165233. The next prime is 402420165289. The reversal of 402420165245 is 542561024204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 402420165245 - 2⁸ = 402420164989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 11497719007 = 402420165245 / (4 + 0 + 2 + 4 + 2 + 0 + 1 + 6 + 5 + 2 + 4 + 5).

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 7 ways as a sum of consecutive naturals, for example, 5748859469 + ... + 5748859538.

It is an arithmetic number, because the mean of its divisors is an integer number (68986314048).

Almost surely, 2^402420165245 is an apocalyptic number.

It is an amenable number.

402420165245 is a deficient number, since it is larger than the sum of its proper divisors (149470347139).

402420165245 is a wasteful number, since it uses less digits than its factorization.

402420165245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11497719019.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 402420165245 its reverse (542561024204), we get a palindrome (944981189449).

The spelling of 402420165245 in words is "four hundred two billion, four hundred twenty million, one hundred sixty-five thousand, two hundred forty-five".