2457117542 has 32 divisors (see below), whose sum is σ = 4264195104. Its totient is φ = 1049459200.

The previous prime is 2457117541. The next prime is 2457117589.

It is a happy number.

2457117542 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2457117496 and 2457117505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2457117541) 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, 239192 + ... + 249252.

It is an arithmetic number, because the mean of its divisors is an integer number (133256097).

Almost surely, 2^2457117542 is an apocalyptic number.

2457117542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2457117542 is a deficient number, since it is larger than the sum of its proper divisors (1807077562).

2457117542 is a wasteful number, since it uses less digits than its factorization.

2457117542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10744.

The product of its digits is 78400, while the sum is 38.

The square root of 2457117542 is about 49569.3205723056. The cubic root of 2457117542 is about 1349.4039512303.

The spelling of 2457117542 in words is "two billion, four hundred fifty-seven million, one hundred seventeen thousand, five hundred forty-two".