420287211519 has 24 divisors (see below), whose sum is σ = 651928717440. Its totient is φ = 240143977584.

The previous prime is 420287211467. The next prime is 420287211521. The reversal of 420287211519 is 915112782024.

It is not a de Polignac number, because 420287211519 - 2¹³ = 420287203327 is a prime.

It is a super-2 number, since 2×420287211519² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420287211569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1736092 + ... + 1963310.

It is an arithmetic number, because the mean of its divisors is an integer number (27163696560).

Almost surely, 2^420287211519 is an apocalyptic number.

420287211519 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

420287211519 is a deficient number, since it is larger than the sum of its proper divisors (231641505921).

420287211519 is a wasteful number, since it uses less digits than its factorization.

420287211519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239819 (or 239812 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The spelling of 420287211519 in words is "four hundred twenty billion, two hundred eighty-seven million, two hundred eleven thousand, five hundred nineteen".