4951523520 has 336 divisors, whose sum is σ = 18149852448. Its totient is φ = 1283973120.

The previous prime is 4951523509. The next prime is 4951523531. The reversal of 4951523520 is 253251594.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4951523509) and next prime (4951523531).

It is a super-2 number, since 2×4951523520² = 49035170338226380800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2876260 + ... + 2877980.

It is an arithmetic number, because the mean of its divisors is an integer number (54017418).

Almost surely, 2^4951523520 is an apocalyptic number.

4951523520 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 4951523520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9074926224).

4951523520 is an abundant number, since it is smaller than the sum of its proper divisors (13198328928).

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

4951523520 is a wasteful number, since it uses less digits than its factorization.

4951523520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790 (or 1768 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 4951523520 is about 70367.0627495563. The cubic root of 4951523520 is about 1704.4317493549.

The spelling of 4951523520 in words is "four billion, nine hundred fifty-one million, five hundred twenty-three thousand, five hundred twenty".