420103012240 has 40 divisors (see below), whose sum is σ = 976783071168. Its totient is φ = 168033709440.

The previous prime is 420103012193. The next prime is 420103012309. The reversal of 420103012240 is 42210301024.

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

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, 1904319 + ... + 2113441.

Almost surely, 2^420103012240 is an apocalyptic number.

420103012240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420103012240 is an abundant number, since it is smaller than the sum of its proper divisors (556680058928).

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

420103012240 is a wasteful number, since it uses less digits than its factorization.

420103012240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234247 (or 234241 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 420103012240 its reverse (42210301024), we get a palindrome (462313313264).

The spelling of 420103012240 in words is "four hundred twenty billion, one hundred three million, twelve thousand, two hundred forty".