1451607244672 has 128 divisors (see below), whose sum is σ = 3253731586560. Its totient is φ = 640054474752.

The previous prime is 1451607244651. The next prime is 1451607244687. The reversal of 1451607244672 is 2764427061541.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

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, 31628013 + ... + 31673875.

It is an arithmetic number, because the mean of its divisors is an integer number (25419778020).

Almost surely, 2^{1451607244672} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1451607244672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1626865793280).

1451607244672 is an abundant number, since it is smaller than the sum of its proper divisors (1802124341888).

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

1451607244672 is a wasteful number, since it uses less digits than its factorization.

1451607244672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46740 (or 46728 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 1451607244672 in words is "one trillion, four hundred fifty-one billion, six hundred seven million, two hundred forty-four thousand, six hundred seventy-two".