2057153242 has 16 divisors (see below), whose sum is σ = 3196795392. Its totient is φ = 991794960.

The previous prime is 2057153233. The next prime is 2057153243. The reversal of 2057153242 is 2423517502.

It is a super-2 number, since 2×2057153242² = 8463758922142221128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (2057153243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42718 + ... + 77065.

It is an arithmetic number, because the mean of its divisors is an integer number (199799712).

Almost surely, 2^2057153242 is an apocalyptic number.

2057153242 is a deficient number, since it is larger than the sum of its proper divisors (1139642150).

2057153242 is a wasteful number, since it uses less digits than its factorization.

2057153242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120093.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 2057153242 is about 45355.8512432520. The cubic root of 2057153242 is about 1271.8099396454.

The spelling of 2057153242 in words is "two billion, fifty-seven million, one hundred fifty-three thousand, two hundred forty-two".