2140450578 has 24 divisors (see below), whose sum is σ = 5300163648. Its totient is φ = 611557272.

The previous prime is 2140450553. The next prime is 2140450579. The reversal of 2140450578 is 8750540412.

2140450578 is a `hidden beast` number, since 2 + 1 + 40 + 45 + 0 + 578 = 666.

It is not an unprimeable number, because it can be changed into a prime (2140450579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8493726 + ... + 8493977.

It is an arithmetic number, because the mean of its divisors is an integer number (220840152).

Almost surely, 2^2140450578 is an apocalyptic number.

2140450578 is an abundant number, since it is smaller than the sum of its proper divisors (3159713070).

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

2140450578 is a wasteful number, since it uses less digits than its factorization.

2140450578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16987718 (or 16987715 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 2140450578 is about 46265.0038149788. The cubic root of 2140450578 is about 1288.7491787621.

The spelling of 2140450578 in words is "two billion, one hundred forty million, four hundred fifty thousand, five hundred seventy-eight".