4257756103640 has 64 divisors (see below), whose sum is σ = 10317343075200. Its totient is φ = 1572022559232.

The previous prime is 4257756103567. The next prime is 4257756103687. The reversal of 4257756103640 is 463016577524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11929214 + ... + 12280946.

It is an arithmetic number, because the mean of its divisors is an integer number (161208485550).

Almost surely, 2^{4257756103640} is an apocalyptic number.

4257756103640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4257756103640 is an abundant number, since it is smaller than the sum of its proper divisors (6059586971560).

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

4257756103640 is a wasteful number, since it uses less digits than its factorization.

4257756103640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375036 (or 375032 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 4257756103640 in words is "four trillion, two hundred fifty-seven billion, seven hundred fifty-six million, one hundred three thousand, six hundred forty".