40417126256 has 20 divisors (see below), whose sum is σ = 84331888872. Its totient is φ = 18654058176.

The previous prime is 40417126241. The next prime is 40417126271. The reversal of 40417126256 is 65262171404.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40417126241) and next prime (40417126271).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97156346 + ... + 97156761.

Almost surely, 2^40417126256 is an apocalyptic number.

It is an amenable number.

40417126256 is an abundant number, since it is smaller than the sum of its proper divisors (43914762616).

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

40417126256 is a wasteful number, since it uses less digits than its factorization.

40417126256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194313128 (or 194313122 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 40417126256 in words is "forty billion, four hundred seventeen million, one hundred twenty-six thousand, two hundred fifty-six".