3523641420 has 96 divisors (see below), whose sum is σ = 10650693312. Its totient is φ = 865271808.

The previous prime is 3523641397. The next prime is 3523641427. The reversal of 3523641420 is 241463253.

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

It is not an unprimeable number, because it can be changed into a prime (3523641427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 332524 + ... + 342956.

It is an arithmetic number, because the mean of its divisors is an integer number (110944722).

Almost surely, 2^3523641420 is an apocalyptic number.

3523641420 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 3523641420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5325346656).

3523641420 is an abundant number, since it is smaller than the sum of its proper divisors (7127051892).

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

3523641420 is a wasteful number, since it uses less digits than its factorization.

3523641420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10891 (or 10889 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 3523641420 is about 59360.2680250014. The cubic root of 3523641420 is about 1521.7053545552.

The spelling of 3523641420 in words is "three billion, five hundred twenty-three million, six hundred forty-one thousand, four hundred twenty".