1046720000 has 100 divisors (see below), whose sum is σ = 2614206936. Its totient is φ = 418560000.

The previous prime is 1046719981. The next prime is 1046720009. The reversal of 1046720000 is 276401.

It is a tau number, because it is divible by the number of its divisors (100).

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046720009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 318365 + ... + 321635.

Almost surely, 2^1046720000 is an apocalyptic number.

1046720000 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 1046720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1307103468).

1046720000 is an abundant number, since it is smaller than the sum of its proper divisors (1567486936).

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

1046720000 is an frugal number, since it uses more digits than its factorization.

1046720000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309 (or 3278 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1046720000 is about 32353.0524062259. The cubic root of 1046720000 is about 1015.3369100047.

Adding to 1046720000 its reverse (276401), we get a palindrome (1046996401).

The spelling of 1046720000 in words is "one billion, forty-six million, seven hundred twenty thousand".