42212401520 has 40 divisors (see below), whose sum is σ = 98155994400. Its totient is φ = 16882868480.

The previous prime is 42212401507. The next prime is 42212401559. The reversal of 42212401520 is 2510421224.

It is a tau number, because it is divible by the number of its divisors (40).

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, 726506 + ... + 782454.

It is an arithmetic number, because the mean of its divisors is an integer number (2453899860).

Almost surely, 2^42212401520 is an apocalyptic number.

42212401520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42212401520 is an abundant number, since it is smaller than the sum of its proper divisors (55943592880).

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

42212401520 is a wasteful number, since it uses less digits than its factorization.

42212401520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65393 (or 65387 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 42212401520 its reverse (2510421224), we get a palindrome (44722822744).

The spelling of 42212401520 in words is "forty-two billion, two hundred twelve million, four hundred one thousand, five hundred twenty".