421041528 has 48 divisors (see below), whose sum is σ = 1151631000. Its totient is φ = 138955200.

The previous prime is 421041527. The next prime is 421041559. The reversal of 421041528 is 825140124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421041521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21678 + ... + 36221.

Almost surely, 2^421041528 is an apocalyptic number.

It is an amenable number.

421041528 is an abundant number, since it is smaller than the sum of its proper divisors (730589472).

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

421041528 is a wasteful number, since it uses less digits than its factorization.

421041528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58012 (or 58005 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 421041528 is about 20519.2964791681. The cubic root of 421041528 is about 749.5057650473.

The spelling of 421041528 in words is "four hundred twenty-one million, forty-one thousand, five hundred twenty-eight".