42492255 has 16 divisors (see below), whose sum is σ = 73217760. Its totient is φ = 20919168.

The previous prime is 42492253. The next prime is 42492257. The reversal of 42492255 is 55229424.

It is an interprime number because it is at equal distance from previous prime (42492253) and next prime (42492257).

It is not a de Polignac number, because 42492255 - 2¹ = 42492253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42492251) 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, 108760 + ... + 109149.

It is an arithmetic number, because the mean of its divisors is an integer number (4576110).

Almost surely, 2^42492255 is an apocalyptic number.

42492255 is a deficient number, since it is larger than the sum of its proper divisors (30725505).

42492255 is a wasteful number, since it uses less digits than its factorization.

42492255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217930.

The product of its digits is 28800, while the sum is 33.

The square root of 42492255 is about 6518.6083637537. The cubic root of 42492255 is about 348.9554024397.

The spelling of 42492255 in words is "forty-two million, four hundred ninety-two thousand, two hundred fifty-five".