798971040 has 240 divisors, whose sum is σ = 3222882432. Its totient is φ = 182601216.

The previous prime is 798971039. The next prime is 798971077. The reversal of 798971040 is 40179897.

It is a tau number, because it is divible by the number of its divisors (240).

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

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, 86317 + ... + 95123.

Almost surely, 2^798971040 is an apocalyptic number.

798971040 is a gapful number since it is divisible by the number (70) 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 798971040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1611441216).

798971040 is an abundant number, since it is smaller than the sum of its proper divisors (2423911392).

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

798971040 is a wasteful number, since it uses less digits than its factorization.

798971040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8841 (or 8824 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 798971040 is about 28266.0757799876. The cubic root of 798971040 is about 927.9195951938.

The spelling of 798971040 in words is "seven hundred ninety-eight million, nine hundred seventy-one thousand, forty".