7132801840 has 20 divisors (see below), whose sum is σ = 16583764464. Its totient is φ = 2853120704.

The previous prime is 7132801829. The next prime is 7132801847. The reversal of 7132801840 is 481082317.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 7132801796 and 7132801805.

It is not an unprimeable number, because it can be changed into a prime (7132801847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44579932 + ... + 44580091.

Almost surely, 2^7132801840 is an apocalyptic number.

It is an amenable number.

7132801840 is an abundant number, since it is smaller than the sum of its proper divisors (9450962624).

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

7132801840 is a wasteful number, since it uses less digits than its factorization.

7132801840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89160036 (or 89160030 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 7132801840 is about 84455.9165482206. The cubic root of 7132801840 is about 1924.9526577439.

The spelling of 7132801840 in words is "seven billion, one hundred thirty-two million, eight hundred one thousand, eight hundred forty".