451540460245612 has 24 divisors (see below), whose sum is σ = 837293568688640. Its totient is φ = 212471112344400.

The previous prime is 451540460245579. The next prime is 451540460245613. The reversal of 451540460245612 is 216542064045154.

It is a super-2 number, since 2×451540460245612² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (451540460245613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19673239668 + ... + 19673262619.

Almost surely, 2^{451540460245612} is an apocalyptic number.

It is an amenable number.

451540460245612 is a deficient number, since it is larger than the sum of its proper divisors (385753108443028).

451540460245612 is a wasteful number, since it uses less digits than its factorization.

451540460245612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39346502461 (or 39346502459 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 49.

The spelling of 451540460245612 in words is "four hundred fifty-one trillion, five hundred forty billion, four hundred sixty million, two hundred forty-five thousand, six hundred twelve".