2050400510542 has 4 divisors (see below), whose sum is σ = 3075600765816. Its totient is φ = 1025200255270.

The previous prime is 2050400510527. The next prime is 2050400510633. The reversal of 2050400510542 is 2450150040502.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2050400510542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512600127634 + ... + 512600127637.

It is an arithmetic number, because the mean of its divisors is an integer number (768900191454).

Almost surely, 2^{2050400510542} is an apocalyptic number.

2050400510542 is a deficient number, since it is larger than the sum of its proper divisors (1025200255274).

2050400510542 is a wasteful number, since it uses less digits than its factorization.

2050400510542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025200255273.

The product of its (nonzero) digits is 8000, while the sum is 28.

The spelling of 2050400510542 in words is "two trillion, fifty billion, four hundred million, five hundred ten thousand, five hundred forty-two".