640103114432 has 28 divisors (see below), whose sum is σ = 1282536714576. Its totient is φ = 316944257280.

The previous prime is 640103114383. The next prime is 640103114449. The reversal of 640103114432 is 234411301046.

It is a happy number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 640103114395 and 640103114404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48544919 + ... + 48558102.

Almost surely, 2^640103114432 is an apocalyptic number.

It is an amenable number.

640103114432 is an abundant number, since it is smaller than the sum of its proper divisors (642433600144).

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

640103114432 is a wasteful number, since it uses less digits than its factorization.

640103114432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97103136 (or 97103126 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 640103114432 its reverse (234411301046), we get a palindrome (874514415478).

The spelling of 640103114432 in words is "six hundred forty billion, one hundred three million, one hundred fourteen thousand, four hundred thirty-two".