402420516155 has 24 divisors (see below), whose sum is σ = 567537421248. Its totient is φ = 273100681728.

The previous prime is 402420516061. The next prime is 402420516227. The reversal of 402420516155 is 551615024204.

It is not a de Polignac number, because 402420516155 - 2²⁴ = 402403738939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8442899 + ... + 8490428.

It is an arithmetic number, because the mean of its divisors is an integer number (23647392552).

Almost surely, 2^402420516155 is an apocalyptic number.

402420516155 is a deficient number, since it is larger than the sum of its proper divisors (165116905093).

402420516155 is a wasteful number, since it uses less digits than its factorization.

402420516155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16933443 (or 16933436 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 402420516155 in words is "four hundred two billion, four hundred twenty million, five hundred sixteen thousand, one hundred fifty-five".