3951618048 has 480 divisors, whose sum is σ = 13984850880. Its totient is φ = 1088225280.

The previous prime is 3951617993. The next prime is 3951618049. The reversal of 3951618048 is 8408161593.

It is a junction number, because it is equal to n+sod(n) for n = 3951617994 and 3951618012.

It is not an unprimeable number, because it can be changed into a prime (3951618049) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 47609815 + ... + 47609897.

It is an arithmetic number, because the mean of its divisors is an integer number (29135106).

Almost surely, 2^3951618048 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 3951618048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6992425440).

3951618048 is an abundant number, since it is smaller than the sum of its proper divisors (10033232832).

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

3951618048 is an equidigital number, since it uses as much as digits as its factorization.

3951618048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 3951618048 is about 62861.8966306299. The cubic root of 3951618048 is about 1580.9749428029.

The spelling of 3951618048 in words is "three billion, nine hundred fifty-one million, six hundred eighteen thousand, forty-eight".