451621223524046 has 32 divisors (see below), whose sum is σ = 693407030899968. Its totient is φ = 220488903432000.

The previous prime is 451621223524019. The next prime is 451621223524049. The reversal of 451621223524046 is 640425322126154.

It is a super-2 number, since 2×451621223524046² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451621223524049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5168252471 + ... + 5168339853.

It is an arithmetic number, because the mean of its divisors is an integer number (21668969715624).

Almost surely, 2^{451621223524046} is an apocalyptic number.

451621223524046 is a deficient number, since it is larger than the sum of its proper divisors (241785807375922).

451621223524046 is a wasteful number, since it uses less digits than its factorization.

451621223524046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105896.

The product of its (nonzero) digits is 2764800, while the sum is 47.

The spelling of 451621223524046 in words is "four hundred fifty-one trillion, six hundred twenty-one billion, two hundred twenty-three million, five hundred twenty-four thousand, forty-six".