40426641340 has 12 divisors (see below), whose sum is σ = 84895946856. Its totient is φ = 16170656528.

The previous prime is 40426641317. The next prime is 40426641361. The reversal of 40426641340 is 4314662404.

It is a junction number, because it is equal to n+sod(n) for n = 40426641296 and 40426641305.

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, 1010666014 + ... + 1010666053.

It is an arithmetic number, because the mean of its divisors is an integer number (7074662238).

Almost surely, 2^40426641340 is an apocalyptic number.

It is an amenable number.

40426641340 is an abundant number, since it is smaller than the sum of its proper divisors (44469305516).

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

40426641340 is a wasteful number, since it uses less digits than its factorization.

40426641340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021332076 (or 2021332074 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 40426641340 in words is "forty billion, four hundred twenty-six million, six hundred forty-one thousand, three hundred forty".