2401555552 has 96 divisors (see below), whose sum is σ = 5248605600. Its totient is φ = 1072619520.

The previous prime is 2401555531. The next prime is 2401555553. The reversal of 2401555552 is 2555551042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2401555553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6881074 + ... + 6881422.

It is an arithmetic number, because the mean of its divisors is an integer number (54672975).

Almost surely, 2^2401555552 is an apocalyptic number.

2401555552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2401555552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2624302800).

2401555552 is an abundant number, since it is smaller than the sum of its proper divisors (2847050048).

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

2401555552 is a wasteful number, since it uses less digits than its factorization.

2401555552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 34.

The square root of 2401555552 is about 49005.6685700746. The cubic root of 2401555552 is about 1339.1550981825.

The spelling of 2401555552 in words is "two billion, four hundred one million, five hundred fifty-five thousand, five hundred fifty-two".