514021236432 has 120 divisors (see below), whose sum is σ = 1464189181728. Its totient is φ = 155272085760.

The previous prime is 514021236427. The next prime is 514021236437. The reversal of 514021236432 is 234632120415.

It is an interprime number because it is at equal distance from previous prime (514021236427) and next prime (514021236437).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 514021236393 and 514021236402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514021236437) 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, 1701543 + ... + 1980729.

Almost surely, 2^514021236432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 514021236432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (732094590864).

514021236432 is an abundant number, since it is smaller than the sum of its proper divisors (950167945296).

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

514021236432 is a wasteful number, since it uses less digits than its factorization.

514021236432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279537 (or 279520 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 514021236432 its reverse (234632120415), we get a palindrome (748653356847).

The spelling of 514021236432 in words is "five hundred fourteen billion, twenty-one million, two hundred thirty-six thousand, four hundred thirty-two".