7801950464 has 144 divisors (see below), whose sum is σ = 19547638656. Its totient is φ = 3019161600.

The previous prime is 7801950439. The next prime is 7801950467. The reversal of 7801950464 is 4640591087.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (7801950467) 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, 3093524 + ... + 3096044.

Almost surely, 2^7801950464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7801950464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9773819328).

7801950464 is an abundant number, since it is smaller than the sum of its proper divisors (11745688192).

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

7801950464 is a wasteful number, since it uses less digits than its factorization.

7801950464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712 (or 2698 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 7801950464 is about 88328.6503010207. The cubic root of 7801950464 is about 1983.3577742690.

The spelling of 7801950464 in words is "seven billion, eight hundred one million, nine hundred fifty thousand, four hundred sixty-four".