2543401542 has 32 divisors (see below), whose sum is σ = 5551672320. Its totient is φ = 770389920.

The previous prime is 2543401507. The next prime is 2543401573. The reversal of 2543401542 is 2451043452.

2543401542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172368 + ... + 186540.

It is an arithmetic number, because the mean of its divisors is an integer number (173489760).

Almost surely, 2^2543401542 is an apocalyptic number.

2543401542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2543401542 is an abundant number, since it is smaller than the sum of its proper divisors (3008270778).

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

2543401542 is a wasteful number, since it uses less digits than its factorization.

2543401542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16908.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 2543401542 is about 50432.1479019088. The cubic root of 2543401542 is about 1365.0177855966.

Adding to 2543401542 its reverse (2451043452), we get a palindrome (4994444994).

The spelling of 2543401542 in words is "two billion, five hundred forty-three million, four hundred one thousand, five hundred forty-two".