42455130 has 32 divisors (see below), whose sum is σ = 105408000. Its totient is φ = 10930752.

The previous prime is 42455123. The next prime is 42455183. The reversal of 42455130 is 3155424.

It is a self number, because there is not a number n which added to its sum of digits gives 42455130.

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, 23530 + ... + 25269.

It is an arithmetic number, because the mean of its divisors is an integer number (3294000).

Almost surely, 2^42455130 is an apocalyptic number.

42455130 is an abundant number, since it is smaller than the sum of its proper divisors (62952870).

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

42455130 is a wasteful number, since it uses less digits than its factorization.

42455130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48838.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 42455130 is about 6515.7601244981. The cubic root of 42455130 is about 348.8537467064.

It can be divided in two parts, 424551 and 30, that added together give a triangular number (424581 = T₉₂₁).

The spelling of 42455130 in words is "forty-two million, four hundred fifty-five thousand, one hundred thirty".