3704457650520 has 384 divisors, whose sum is σ = 12965994155520. Its totient is φ = 836803584000.

The previous prime is 3704457650483. The next prime is 3704457650533. The reversal of 3704457650520 is 250567544073.

It is a self number, because there is not a number n which added to its sum of digits gives 3704457650520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 228902349 + ... + 228918531.

It is an arithmetic number, because the mean of its divisors is an integer number (33765609780).

Almost surely, 2^{3704457650520} is an apocalyptic number.

3704457650520 is a gapful number since it is divisible by the number (30) 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 3704457650520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6482997077760).

3704457650520 is an abundant number, since it is smaller than the sum of its proper divisors (9261536505000).

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

3704457650520 is a wasteful number, since it uses less digits than its factorization.

3704457650520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16427 (or 16322 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 48.

The spelling of 3704457650520 in words is "three trillion, seven hundred four billion, four hundred fifty-seven million, six hundred fifty thousand, five hundred twenty".