4157246840 has 32 divisors (see below), whose sum is σ = 9355744080. Its totient is φ = 1662554112.

The previous prime is 4157246839. The next prime is 4157246857. The reversal of 4157246840 is 486427514.

It is a congruent number.

It is an unprimeable number.

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, 284759 + ... + 299001.

Almost surely, 2^4157246840 is an apocalyptic number.

4157246840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4157246840 is an abundant number, since it is smaller than the sum of its proper divisors (5198497240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4157246840 is a wasteful number, since it uses less digits than its factorization.

4157246840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21551 (or 21547 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The square root of 4157246840 is about 64476.7154870656. The cubic root of 4157246840 is about 1607.9354270168.

The spelling of 4157246840 in words is "four billion, one hundred fifty-seven million, two hundred forty-six thousand, eight hundred forty".