1452449779372 has 96 divisors (see below), whose sum is σ = 2760351326208. Its totient is φ = 666214585344.

The previous prime is 1452449779357. The next prime is 1452449779393. The reversal of 1452449779372 is 2739779442541.

It is a super-2 number, since 2×1452449779372² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229705803 + ... + 229712125.

It is an arithmetic number, because the mean of its divisors is an integer number (28753659648).

Almost surely, 2^{1452449779372} is an apocalyptic number.

It is an amenable number.

1452449779372 is a deficient number, since it is larger than the sum of its proper divisors (1307901546836).

1452449779372 is a wasteful number, since it uses less digits than its factorization.

1452449779372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6935 (or 6933 counting only the distinct ones).

The product of its digits is 106686720, while the sum is 64.

The spelling of 1452449779372 in words is "one trillion, four hundred fifty-two billion, four hundred forty-nine million, seven hundred seventy-nine thousand, three hundred seventy-two".