2540001043454 has 16 divisors (see below), whose sum is σ = 4356142816128. Its totient is φ = 1088108047512.

The previous prime is 2540001043453. The next prime is 2540001043477. The reversal of 2540001043454 is 4543401000452.

It is a self number, because there is not a number n which added to its sum of digits gives 2540001043454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540001043453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38618324 + ... + 38684039.

It is an arithmetic number, because the mean of its divisors is an integer number (272258926008).

Almost surely, 2^{2540001043454} is an apocalyptic number.

2540001043454 is a deficient number, since it is larger than the sum of its proper divisors (1816141772674).

2540001043454 is a wasteful number, since it uses less digits than its factorization.

2540001043454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77304719.

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 2540001043454 in words is "two trillion, five hundred forty billion, one million, forty-three thousand, four hundred fifty-four".