4951973840 has 160 divisors (see below), whose sum is σ = 12890603520. Its totient is φ = 1753920000.

The previous prime is 4951973833. The next prime is 4951973849. The reversal of 4951973840 is 483791594.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4951973849) 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, 6593465 + ... + 6594215.

It is an arithmetic number, because the mean of its divisors is an integer number (80566272).

Almost surely, 2^4951973840 is an apocalyptic number.

4951973840 is a gapful number since it is divisible by the number (40) 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 4951973840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6445301760).

4951973840 is an abundant number, since it is smaller than the sum of its proper divisors (7938629680).

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

4951973840 is a wasteful number, since it uses less digits than its factorization.

4951973840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 4951973840 is about 70370.2624693130. The cubic root of 4951973840 is about 1704.4834180608.

The spelling of 4951973840 in words is "four billion, nine hundred fifty-one million, nine hundred seventy-three thousand, eight hundred forty".