40828826644 has 12 divisors (see below), whose sum is σ = 73755299968. Its totient is φ = 19755883800.

The previous prime is 40828826593. The next prime is 40828826653. The reversal of 40828826644 is 44662882804.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40828826591 and 40828826600.

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, 164632242 + ... + 164632489.

Almost surely, 2^40828826644 is an apocalyptic number.

It is an amenable number.

40828826644 is a deficient number, since it is larger than the sum of its proper divisors (32926473324).

40828826644 is a wasteful number, since it uses less digits than its factorization.

40828826644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329264766 (or 329264764 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 52.

The spelling of 40828826644 in words is "forty billion, eight hundred twenty-eight million, eight hundred twenty-six thousand, six hundred forty-four".