1046487280 has 80 divisors (see below), whose sum is σ = 2560086144. Its totient is φ = 397301760.

The previous prime is 1046487251. The next prime is 1046487287. The reversal of 1046487280 is 827846401.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046487287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117049 + ... + 125671.

Almost surely, 2^1046487280 is an apocalyptic number.

1046487280 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 1046487280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1280043072).

1046487280 is an abundant number, since it is smaller than the sum of its proper divisors (1513598864).

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

1046487280 is a wasteful number, since it uses less digits than its factorization.

1046487280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8714 (or 8708 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 1046487280 is about 32349.4556368419. The cubic root of 1046487280 is about 1015.2616569222.

The spelling of 1046487280 in words is "one billion, forty-six million, four hundred eighty-seven thousand, two hundred eighty".