1920363603456 has 160 divisors (see below), whose sum is σ = 5156860341600. Its totient is φ = 635025162240.

The previous prime is 1920363603427. The next prime is 1920363603463. The reversal of 1920363603456 is 6543063630291.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 98830350 + ... + 98849778.

It is an arithmetic number, because the mean of its divisors is an integer number (32230377135).

Almost surely, 2^{1920363603456} is an apocalyptic number.

1920363603456 is a gapful number since it is divisible by the number (16) 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 1920363603456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2578430170800).

1920363603456 is an abundant number, since it is smaller than the sum of its proper divisors (3236496738144).

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

1920363603456 is a wasteful number, since it uses less digits than its factorization.

1920363603456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19960 (or 19944 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 48.

The spelling of 1920363603456 in words is "one trillion, nine hundred twenty billion, three hundred sixty-three million, six hundred three thousand, four hundred fifty-six".