5401550820 has 96 divisors (see below), whose sum is σ = 15570576000. Its totient is φ = 1398104064.

The previous prime is 5401550779. The next prime is 5401550839. The reversal of 5401550820 is 280551045.

It is a super-2 number, since 2×5401550820² = 58353502522085344800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 994071 + ... + 999489.

It is an arithmetic number, because the mean of its divisors is an integer number (162193500).

Almost surely, 2^5401550820 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 5401550820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7785288000).

5401550820 is an abundant number, since it is smaller than the sum of its proper divisors (10169025180).

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

5401550820 is a wasteful number, since it uses less digits than its factorization.

5401550820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5917 (or 5915 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 5401550820 is about 73495.2435195639. The cubic root of 5401550820 is about 1754.5785759336.

The spelling of 5401550820 in words is "five billion, four hundred one million, five hundred fifty thousand, eight hundred twenty".