1454401797912 has 768 divisors, whose sum is σ = 5228621798400. Its totient is φ = 368709304320.

The previous prime is 1454401797889. The next prime is 1454401797943. The reversal of 1454401797912 is 2197971044541.

1454401797912 is a `hidden beast` number, since 1 + 4 + 544 + 0 + 1 + 7 + 9 + 7 + 91 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1059286858 + ... + 1059288230.

It is an arithmetic number, because the mean of its divisors is an integer number (6808101300).

Almost surely, 2^{1454401797912} is an apocalyptic number.

1454401797912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1454401797912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2614310899200).

1454401797912 is an abundant number, since it is smaller than the sum of its proper divisors (3774220000488).

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

1454401797912 is a wasteful number, since it uses less digits than its factorization.

1454401797912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678 (or 1662 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 1454401797912 in words is "one trillion, four hundred fifty-four billion, four hundred one million, seven hundred ninety-seven thousand, nine hundred twelve".