3501420500 has 48 divisors (see below), whose sum is σ = 7833662928. Its totient is φ = 1366400000.

The previous prime is 3501420499. The next prime is 3501420551. The reversal of 3501420500 is 50241053.

It can be written as a sum of positive squares in 8 ways, for example, as 1589457424 + 1911963076 = 39868^2 + 43726^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64901 + ... + 105900.

It is an arithmetic number, because the mean of its divisors is an integer number (163201311).

Almost surely, 2^3501420500 is an apocalyptic number.

It is an amenable number.

3501420500 is an abundant number, since it is smaller than the sum of its proper divisors (4332242428).

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

3501420500 is a wasteful number, since it uses less digits than its factorization.

3501420500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170861 (or 170849 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 3501420500 is about 59172.8020293107. The cubic root of 3501420500 is about 1518.4998617100.

Adding to 3501420500 its reverse (50241053), we get a palindrome (3551661553).

The spelling of 3501420500 in words is "three billion, five hundred one million, four hundred twenty thousand, five hundred".