491067552626 has 32 divisors (see below), whose sum is σ = 850172793600. Its totient is φ = 208372663296.

The previous prime is 491067552601. The next prime is 491067552643. The reversal of 491067552626 is 626255760194.

It is a happy number.

It is a super-2 number, since 2×491067552626² (a number of 24 digits) contains 22 as substring.

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, 7826210 + ... + 7888706.

It is an arithmetic number, because the mean of its divisors is an integer number (26567899800).

Almost surely, 2^491067552626 is an apocalyptic number.

491067552626 is a deficient number, since it is larger than the sum of its proper divisors (359105240974).

491067552626 is a wasteful number, since it uses less digits than its factorization.

491067552626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68058.

The product of its (nonzero) digits is 5443200, while the sum is 53.

The spelling of 491067552626 in words is "four hundred ninety-one billion, sixty-seven million, five hundred fifty-two thousand, six hundred twenty-six".