40640624062406 has 16 divisors (see below), whose sum is σ = 61860718359216. Its totient is φ = 20022230317056.

The previous prime is 40640624062343. The next prime is 40640624062457. The reversal of 40640624062406 is 60426042604604.

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, 461382731 + ... + 461470806.

It is an arithmetic number, because the mean of its divisors is an integer number (3866294897451).

Almost surely, 2^{40640624062406} is an apocalyptic number.

40640624062406 is a deficient number, since it is larger than the sum of its proper divisors (21220094296810).

40640624062406 is a wasteful number, since it uses less digits than its factorization.

40640624062406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922853863.

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

The spelling of 40640624062406 in words is "forty trillion, six hundred forty billion, six hundred twenty-four million, sixty-two thousand, four hundred six".