2054157040042 has 16 divisors (see below), whose sum is σ = 3230440264512. Its totient is φ = 977766894720.

The previous prime is 2054157040031. The next prime is 2054157040051. The reversal of 2054157040042 is 2400407514502.

It is a super-2 number, since 2×2054157040042² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105809223 + ... + 105828634.

It is an arithmetic number, because the mean of its divisors is an integer number (201902516532).

Almost surely, 2^{2054157040042} is an apocalyptic number.

2054157040042 is a deficient number, since it is larger than the sum of its proper divisors (1176283224470).

2054157040042 is a wasteful number, since it uses less digits than its factorization.

2054157040042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211638093.

The product of its (nonzero) digits is 44800, while the sum is 34.

The spelling of 2054157040042 in words is "two trillion, fifty-four billion, one hundred fifty-seven million, forty thousand, forty-two".