2542021305040 has 80 divisors (see below), whose sum is σ = 6756733612800. Its totient is φ = 871263728640.

The previous prime is 2542021304969. The next prime is 2542021305077. The reversal of 2542021305040 is 405031202452.

2542021305040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 963045 + ... + 2451835.

It is an arithmetic number, because the mean of its divisors is an integer number (84459170160).

Almost surely, 2^{2542021305040} is an apocalyptic number.

2542021305040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2542021305040 is an abundant number, since it is smaller than the sum of its proper divisors (4214712307760).

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

2542021305040 is a wasteful number, since it uses less digits than its factorization.

2542021305040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491860 (or 1491854 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 2542021305040 its reverse (405031202452), we get a palindrome (2947052507492).

The spelling of 2542021305040 in words is "two trillion, five hundred forty-two billion, twenty-one million, three hundred five thousand, forty".