451440243620126 has 8 divisors (see below), whose sum is σ = 677160774639720. Its totient is φ = 225719985406888.

The previous prime is 451440243620117. The next prime is 451440243620141. The reversal of 451440243620126 is 621026342044154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64013141 + ... + 70714656.

It is an arithmetic number, because the mean of its divisors is an integer number (84645096829965).

Almost surely, 2^{451440243620126} is an apocalyptic number.

451440243620126 is a deficient number, since it is larger than the sum of its proper divisors (225720531019594).

451440243620126 is a wasteful number, since it uses less digits than its factorization.

451440243620126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136403178.

The product of its (nonzero) digits is 1105920, while the sum is 44.

The spelling of 451440243620126 in words is "four hundred fifty-one trillion, four hundred forty billion, two hundred forty-three million, six hundred twenty thousand, one hundred twenty-six".