2542184040 has 128 divisors (see below), whose sum is σ = 8757849600. Its totient is φ = 583845120.

The previous prime is 2542184033. The next prime is 2542184041. The reversal of 2542184040 is 404812452.

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

It is a junction number, because it is equal to n+sod(n) for n = 2542183989 and 2542184007.

It is not an unprimeable number, because it can be changed into a prime (2542184041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25602 + ... + 75761.

It is an arithmetic number, because the mean of its divisors is an integer number (68420700).

Almost surely, 2^2542184040 is an apocalyptic number.

2542184040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2542184040 is an abundant number, since it is smaller than the sum of its proper divisors (6215665560).

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

2542184040 is a wasteful number, since it uses less digits than its factorization.

2542184040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101407 (or 101403 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

The square root of 2542184040 is about 50420.0757635290. The cubic root of 2542184040 is about 1364.7999438458.

Adding to 2542184040 its reverse (404812452), we get a palindrome (2946996492).

The spelling of 2542184040 in words is "two billion, five hundred forty-two million, one hundred eighty-four thousand, forty".