4257681542 has 32 divisors (see below), whose sum is σ = 6599024640. Its totient is φ = 2059331040.

The previous prime is 4257681541. The next prime is 4257681551. The reversal of 4257681542 is 2451867524.

4257681542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4257681542² = 36255704226174995528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4257681493 and 4257681502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4257681541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2958059 + ... + 2959497.

It is an arithmetic number, because the mean of its divisors is an integer number (206219520).

Almost surely, 2^4257681542 is an apocalyptic number.

4257681542 is a deficient number, since it is larger than the sum of its proper divisors (2341343098).

4257681542 is a wasteful number, since it uses less digits than its factorization.

4257681542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868.

The product of its digits is 537600, while the sum is 44.

The square root of 4257681542 is about 65250.9121928575. The cubic root of 4257681542 is about 1620.7812040293.

The spelling of 4257681542 in words is "four billion, two hundred fifty-seven million, six hundred eighty-one thousand, five hundred forty-two".