40774426859840 has 28 divisors (see below), whose sum is σ = 97094103960756. Its totient is φ = 16309770743808.

The previous prime is 40774426859783. The next prime is 40774426859851. The reversal of 40774426859840 is 4895862447704.

It can be written as a sum of positive squares in 2 ways, for example, as 18662538240256 + 22111888619584 = 4320016^2 + 4702328^2 .

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, 63710041649 + ... + 63710042288.

It is an arithmetic number, because the mean of its divisors is an integer number (3467646570027).

Almost surely, 2^{40774426859840} is an apocalyptic number.

40774426859840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40774426859840 is an abundant number, since it is smaller than the sum of its proper divisors (56319677100916).

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

40774426859840 is a wasteful number, since it uses less digits than its factorization.

40774426859840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127420083954 (or 127420083944 counting only the distinct ones).

The product of its (nonzero) digits is 433520640, while the sum is 68.

The spelling of 40774426859840 in words is "forty trillion, seven hundred seventy-four billion, four hundred twenty-six million, eight hundred fifty-nine thousand, eight hundred forty".