421287119680 has 84 divisors (see below), whose sum is σ = 1166976112068. Its totient is φ = 144441292800.

The previous prime is 421287119677. The next prime is 421287119683. The reversal of 421287119680 is 86911782124.

It is an interprime number because it is at equal distance from previous prime (421287119677) and next prime (421287119683).

It can be written as a sum of positive squares in 2 ways, for example, as 281476935936 + 139810183744 = 530544^2 + 373912^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421287119683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13418221 + ... + 13449580.

Almost surely, 2^421287119680 is an apocalyptic number.

421287119680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421287119680 is an abundant number, since it is smaller than the sum of its proper divisors (745688992388).

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

421287119680 is a wasteful number, since it uses less digits than its factorization.

421287119680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26867832 (or 26867815 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 49.

The spelling of 421287119680 in words is "four hundred twenty-one billion, two hundred eighty-seven million, one hundred nineteen thousand, six hundred eighty".