420626155 has 16 divisors (see below), whose sum is σ = 540890784. Its totient is φ = 312885760.

The previous prime is 420626153. The next prime is 420626177. The reversal of 420626155 is 551626024.

It is not a de Polignac number, because 420626155 - 2¹ = 420626153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420626153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22756 + ... + 36865.

It is an arithmetic number, because the mean of its divisors is an integer number (33805674).

Almost surely, 2^420626155 is an apocalyptic number.

420626155 is a deficient number, since it is larger than the sum of its proper divisors (120264629).

420626155 is a wasteful number, since it uses less digits than its factorization.

420626155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59726.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 420626155 is about 20509.1724601457. The cubic root of 420626155 is about 749.2592122560.

The spelling of 420626155 in words is "four hundred twenty million, six hundred twenty-six thousand, one hundred fifty-five".