1926450406720 has 448 divisors, whose sum is σ = 5642793123840. Its totient is φ = 611418931200.

The previous prime is 1926450406691. The next prime is 1926450406747. The reversal of 1926450406720 is 276040546291.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-3 number, since 3×1926450406720³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1943945425 + ... + 1943946415.

Almost surely, 2^{1926450406720} is an apocalyptic number.

1926450406720 is a gapful number since it is divisible by the number (10) 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 1926450406720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2821396561920).

1926450406720 is an abundant number, since it is smaller than the sum of its proper divisors (3716342717120).

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

1926450406720 is a wasteful number, since it uses less digits than its factorization.

1926450406720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822 (or 1812 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 1926450406720 in words is "one trillion, nine hundred twenty-six billion, four hundred fifty million, four hundred six thousand, seven hundred twenty".