1926498816 has 400 divisors, whose sum is σ = 6488209728. Its totient is φ = 564019200.

The previous prime is 1926498799. The next prime is 1926498823. The reversal of 1926498816 is 6188946291.

It is a super-2 number, since 2×1926498816² = 7422795376098803712, which contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18703821 + ... + 18703923.

Almost surely, 2^1926498816 is an apocalyptic number.

1926498816 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 1926498816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3244104864).

1926498816 is an abundant number, since it is smaller than the sum of its proper divisors (4561710912).

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

1926498816 is a wasteful number, since it uses less digits than its factorization.

1926498816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 160 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 1926498816 is about 43891.8992070291. The cubic root of 1926498816 is about 1244.2937379099.

The spelling of 1926498816 in words is "one billion, nine hundred twenty-six million, four hundred ninety-eight thousand, eight hundred sixteen".