3501046920 has 256 divisors, whose sum is σ = 12441600000. Its totient is φ = 771563520.

The previous prime is 3501046903. The next prime is 3501046933. The reversal of 3501046920 is 296401053.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2802456 + ... + 2803704.

It is an arithmetic number, because the mean of its divisors is an integer number (48600000).

Almost surely, 2^3501046920 is an apocalyptic number.

3501046920 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 3501046920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6220800000).

3501046920 is an abundant number, since it is smaller than the sum of its proper divisors (8940553080).

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

3501046920 is a wasteful number, since it uses less digits than its factorization.

3501046920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388 (or 1384 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 3501046920 is about 59169.6452583586. The cubic root of 3501046920 is about 1518.4458549285.

Adding to 3501046920 its reverse (296401053), we get a palindrome (3797447973).

The spelling of 3501046920 in words is "three billion, five hundred one million, forty-six thousand, nine hundred twenty".