40226064040646 has 64 divisors (see below), whose sum is σ = 68407786137600. Its totient is φ = 17572811020800.

The previous prime is 40226064040639. The next prime is 40226064040663. The reversal of 40226064040646 is 64604046062204.

It is a junction number, because it is equal to n+sod(n) for n = 40226064040597 and 40226064040606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2242371545 + ... + 2242389483.

It is an arithmetic number, because the mean of its divisors is an integer number (1068871658400).

Almost surely, 2^{40226064040646} is an apocalyptic number.

40226064040646 is a deficient number, since it is larger than the sum of its proper divisors (28181722096954).

40226064040646 is a wasteful number, since it uses less digits than its factorization.

40226064040646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33965.

The product of its (nonzero) digits is 1327104, while the sum is 44.

The spelling of 40226064040646 in words is "forty trillion, two hundred twenty-six billion, sixty-four million, forty thousand, six hundred forty-six".