420034144231140 has 48 divisors (see below), whose sum is σ = 1190982889985280. Its totient is φ = 110591268353280.

The previous prime is 420034144231123. The next prime is 420034144231147. The reversal of 420034144231140 is 41132441430024.

It is a happy number.

It is a super-2 number, since 2×420034144231140² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (420034144231147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44307394441 + ... + 44307403920.

It is an arithmetic number, because the mean of its divisors is an integer number (24812143541360).

Almost surely, 2^{420034144231140} is an apocalyptic number.

It is an amenable number.

420034144231140 is an abundant number, since it is smaller than the sum of its proper divisors (770948745754140).

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

420034144231140 is a wasteful number, since it uses less digits than its factorization.

420034144231140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88614798452 (or 88614798450 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 420034144231140 its reverse (41132441430024), we get a palindrome (461166585661164).

The spelling of 420034144231140 in words is "four hundred twenty trillion, thirty-four billion, one hundred forty-four million, two hundred thirty-one thousand, one hundred forty".