445284726492456 has 80 divisors (see below), whose sum is σ = 1301436036410400. Its totient is φ = 141974840326176.

The previous prime is 445284726492443. The next prime is 445284726492521. The reversal of 445284726492456 is 654294627482544.

445284726492456 is a `hidden beast` number, since 4 + 4 + 5 + 2 + 8 + 472 + 64 + 92 + 4 + 5 + 6 = 666.

It is a super-2 number, since 2×445284726492456² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14938415266 + ... + 14938445073.

It is an arithmetic number, because the mean of its divisors is an integer number (16267950455130).

Almost surely, 2^{445284726492456} is an apocalyptic number.

445284726492456 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

445284726492456 is an abundant number, since it is smaller than the sum of its proper divisors (856151309917944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445284726492456 is a wasteful number, since it uses less digits than its factorization.

445284726492456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29876860380 (or 29876860367 counting only the distinct ones).

The product of its digits is 3715891200, while the sum is 72.

The spelling of 445284726492456 in words is "four hundred forty-five trillion, two hundred eighty-four billion, seven hundred twenty-six million, four hundred ninety-two thousand, four hundred fifty-six".