1046839680 has 256 divisors, whose sum is σ = 3837240000. Its totient is φ = 269402112.

The previous prime is 1046839669. The next prime is 1046839681. The reversal of 1046839680 is 869386401.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046839681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 500076 + ... + 502164.

Almost surely, 2^1046839680 is an apocalyptic number.

1046839680 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 1046839680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1918620000).

1046839680 is an abundant number, since it is smaller than the sum of its proper divisors (2790400320).

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

1046839680 is a wasteful number, since it uses less digits than its factorization.

1046839680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146 (or 2128 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 1046839680 is about 32354.9019470002. The cubic root of 1046839680 is about 1015.3756057688.

The spelling of 1046839680 in words is "one billion, forty-six million, eight hundred thirty-nine thousand, six hundred eighty".