42167203455 has 16 divisors (see below), whose sum is σ = 72657335520. Its totient is φ = 20759238528.

The previous prime is 42167203411. The next prime is 42167203499. The reversal of 42167203455 is 55430276124.

It is an interprime number because it is at equal distance from previous prime (42167203411) and next prime (42167203499).

It is not a de Polignac number, because 42167203455 - 2⁷ = 42167203327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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, 108120840 + ... + 108121229.

It is an arithmetic number, because the mean of its divisors is an integer number (4541083470).

Almost surely, 2^42167203455 is an apocalyptic number.

42167203455 is a deficient number, since it is larger than the sum of its proper divisors (30490132065).

42167203455 is a wasteful number, since it uses less digits than its factorization.

42167203455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216242090.

The product of its (nonzero) digits is 201600, while the sum is 39.

Adding to 42167203455 its reverse (55430276124), we get a palindrome (97597479579).

The spelling of 42167203455 in words is "forty-two billion, one hundred sixty-seven million, two hundred three thousand, four hundred fifty-five".