40122420506 has 32 divisors (see below), whose sum is σ = 70194169728. Its totient is φ = 16843170240.

The previous prime is 40122420467. The next prime is 40122420557. The reversal of 40122420506 is 60502422104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410741 + ... + 498951.

It is an arithmetic number, because the mean of its divisors is an integer number (2193567804).

Almost surely, 2^40122420506 is an apocalyptic number.

40122420506 is a deficient number, since it is larger than the sum of its proper divisors (30071749222).

40122420506 is a wasteful number, since it uses less digits than its factorization.

40122420506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88886.

The product of its (nonzero) digits is 3840, while the sum is 26.

The spelling of 40122420506 in words is "forty billion, one hundred twenty-two million, four hundred twenty thousand, five hundred six".