550525144040 has 32 divisors (see below), whose sum is σ = 1238800500000. Its totient is φ = 220188915264.

The previous prime is 550525144019. The next prime is 550525144069. The reversal of 550525144040 is 40441525055.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235490 + ... + 1075409.

It is an arithmetic number, because the mean of its divisors is an integer number (38712515625).

Almost surely, 2^550525144040 is an apocalyptic number.

It is an amenable number.

550525144040 is an abundant number, since it is smaller than the sum of its proper divisors (688275355960).

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

550525144040 is a wasteful number, since it uses less digits than its factorization.

550525144040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321409 (or 1321405 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

Adding to 550525144040 its reverse (40441525055), we get a palindrome (590966669095).

The spelling of 550525144040 in words is "five hundred fifty billion, five hundred twenty-five million, one hundred forty-four thousand, forty".