42021145460 has 48 divisors (see below), whose sum is σ = 100988582016. Its totient is φ = 14387559552.

The previous prime is 42021145423. The next prime is 42021145487. The reversal of 42021145460 is 6454112024.

It is a super-2 number, since 2×42021145460² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102122 + ... + 307361.

It is an arithmetic number, because the mean of its divisors is an integer number (2103928792).

Almost surely, 2^42021145460 is an apocalyptic number.

It is an amenable number.

42021145460 is an abundant number, since it is smaller than the sum of its proper divisors (58967436556).

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

42021145460 is a wasteful number, since it uses less digits than its factorization.

42021145460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410232 (or 410230 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 42021145460 its reverse (6454112024), we get a palindrome (48475257484).

The spelling of 42021145460 in words is "forty-two billion, twenty-one million, one hundred forty-five thousand, four hundred sixty".