5402052180 has 144 divisors (see below), whose sum is σ = 18851798784. Its totient is φ = 1226534400.

The previous prime is 5402052179. The next prime is 5402052181. The reversal of 5402052180 is 812502045.

It is a happy number.

5402052180 is a `hidden beast` number, since 5 + 40 + 20 + 521 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (5402052179) and next prime (5402052181).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5402052181) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 176064 + ... + 204456.

Almost surely, 2^5402052180 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 5402052180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9425899392).

5402052180 is an abundant number, since it is smaller than the sum of its proper divisors (13449746604).

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

5402052180 is a wasteful number, since it uses less digits than its factorization.

5402052180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28566 (or 28561 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 5402052180 is about 73498.6542733947. The cubic root of 5402052180 is about 1754.6328596217.

The spelling of 5402052180 in words is "five billion, four hundred two million, fifty-two thousand, one hundred eighty".