42255512 has 32 divisors (see below), whose sum is σ = 85639680. Its totient is φ = 19430400.

The previous prime is 42255497. The next prime is 42255527. The reversal of 42255512 is 21555224.

It is an interprime number because it is at equal distance from previous prime (42255497) and next prime (42255527).

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 36137 + ... + 37287.

It is an arithmetic number, because the mean of its divisors is an integer number (2676240).

Almost surely, 2^42255512 is an apocalyptic number.

It is an amenable number.

42255512 is an abundant number, since it is smaller than the sum of its proper divisors (43384168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42255512 is a wasteful number, since it uses less digits than its factorization.

42255512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523 (or 1519 counting only the distinct ones).

The product of its digits is 4000, while the sum is 26.

The square root of 42255512 is about 6500.4239861720. The cubic root of 42255512 is about 348.3061339282.

The spelling of 42255512 in words is "forty-two million, two hundred fifty-five thousand, five hundred twelve".