3521942100 has 144 divisors (see below), whose sum is σ = 11491972800. Its totient is φ = 925119360.

The previous prime is 3521942093. The next prime is 3521942101. The reversal of 3521942100 is 12491253.

It is a super-4 number, since 4×3521942100⁴ (a number of 39 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3521942101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 171166 + ... + 190634.

Almost surely, 2^3521942100 is an apocalyptic number.

3521942100 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 3521942100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5745986400).

3521942100 is an abundant number, since it is smaller than the sum of its proper divisors (7970030700).

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

3521942100 is a wasteful number, since it uses less digits than its factorization.

3521942100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19559 (or 19546 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 3521942100 is about 59345.9526842396. The cubic root of 3521942100 is about 1521.4606947620.

The spelling of 3521942100 in words is "three billion, five hundred twenty-one million, nine hundred forty-two thousand, one hundred".