5502120642 has 128 divisors (see below), whose sum is σ = 13087008000. Its totient is φ = 1710374400.

The previous prime is 5502120623. The next prime is 5502120667. The reversal of 5502120642 is 2460212055.

5502120642 is a `hidden beast` number, since 5 + 5 + 0 + 2 + 12 + 0 + 642 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6800734 + ... + 6801542.

It is an arithmetic number, because the mean of its divisors is an integer number (102242250).

Almost surely, 2^5502120642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5502120642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6543504000).

5502120642 is an abundant number, since it is smaller than the sum of its proper divisors (7584887358).

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

5502120642 is a wasteful number, since it uses less digits than its factorization.

5502120642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993 (or 987 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 5502120642 is about 74176.2808585062. The cubic root of 5502120642 is about 1765.4010053283.

Adding to 5502120642 its reverse (2460212055), we get a palindrome (7962332697).

The spelling of 5502120642 in words is "five billion, five hundred two million, one hundred twenty thousand, six hundred forty-two".