40426244860 has 24 divisors (see below), whose sum is σ = 88586207136. Its totient is φ = 15467432640.

The previous prime is 40426244857. The next prime is 40426244891. The reversal of 40426244860 is 6844262404.

It is a happy number.

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, 43941111 + ... + 43942030.

It is an arithmetic number, because the mean of its divisors is an integer number (3691091964).

Almost surely, 2^40426244860 is an apocalyptic number.

It is an amenable number.

40426244860 is an abundant number, since it is smaller than the sum of its proper divisors (48159962276).

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

40426244860 is a wasteful number, since it uses less digits than its factorization.

40426244860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87883173 (or 87883171 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 40.

The spelling of 40426244860 in words is "forty billion, four hundred twenty-six million, two hundred forty-four thousand, eight hundred sixty".