3257667242456 has 32 divisors (see below), whose sum is σ = 6663487334400. Its totient is φ = 1480740711840.

The previous prime is 3257667242441. The next prime is 3257667242471. The reversal of 3257667242456 is 6542427667523.

It is an interprime number because it is at equal distance from previous prime (3257667242441) and next prime (3257667242471).

It is a super-2 number, since 2×3257667242456² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3257667242395 and 3257667242404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10425665 + ... + 10733583.

It is an arithmetic number, because the mean of its divisors is an integer number (208233979200).

Almost surely, 2^{3257667242456} is an apocalyptic number.

It is an amenable number.

3257667242456 is an abundant number, since it is smaller than the sum of its proper divisors (3405820091944).

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

3257667242456 is a wasteful number, since it uses less digits than its factorization.

3257667242456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428159 (or 428155 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 59.

The spelling of 3257667242456 in words is "three trillion, two hundred fifty-seven billion, six hundred sixty-seven million, two hundred forty-two thousand, four hundred fifty-six".