63425211540 has 48 divisors (see below), whose sum is σ = 183714410880. Its totient is φ = 16330168960.

The previous prime is 63425211469. The next prime is 63425211623. The reversal of 63425211540 is 4511252436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18223896 + ... + 18227375.

It is an arithmetic number, because the mean of its divisors is an integer number (3827383560).

Almost surely, 2^63425211540 is an apocalyptic number.

63425211540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63425211540 is an abundant number, since it is smaller than the sum of its proper divisors (120289199340).

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

63425211540 is a wasteful number, since it uses less digits than its factorization.

63425211540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36451312 (or 36451310 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 63425211540 its reverse (4511252436), we get a palindrome (67936463976).

The spelling of 63425211540 in words is "sixty-three billion, four hundred twenty-five million, two hundred eleven thousand, five hundred forty".