554395736640 has 448 divisors, whose sum is σ = 1942729850880. Its totient is φ = 133334138880.

The previous prime is 554395736627. The next prime is 554395736641. The reversal of 554395736640 is 46637593455.

It is not an unprimeable number, because it can be changed into a prime (554395736641) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52104441 + ... + 52115079.

It is an arithmetic number, because the mean of its divisors is an integer number (4336450560).

Almost surely, 2^554395736640 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 554395736640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (971364925440).

554395736640 is an abundant number, since it is smaller than the sum of its proper divisors (1388334114240).

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

554395736640 is a wasteful number, since it uses less digits than its factorization.

554395736640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10810 (or 10800 counting only the distinct ones).

The product of its (nonzero) digits is 40824000, while the sum is 57.

The spelling of 554395736640 in words is "five hundred fifty-four billion, three hundred ninety-five million, seven hundred thirty-six thousand, six hundred forty".