2106453624 has 128 divisors (see below), whose sum is σ = 5897940480. Its totient is φ = 621504000.

The previous prime is 2106453611. The next prime is 2106453659. The reversal of 2106453624 is 4263546012.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2112294 + ... + 2113290.

It is an arithmetic number, because the mean of its divisors is an integer number (46077660).

Almost surely, 2^2106453624 is an apocalyptic number.

2106453624 is a gapful number since it is divisible by the number (24) 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 2106453624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2948970240).

2106453624 is an abundant number, since it is smaller than the sum of its proper divisors (3791486856).

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

2106453624 is a wasteful number, since it uses less digits than its factorization.

2106453624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221 (or 1217 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 2106453624 is about 45896.1177443147. The cubic root of 2106453624 is about 1281.8896292662.

Adding to 2106453624 its reverse (4263546012), we get a palindrome (6369999636).

The spelling of 2106453624 in words is "two billion, one hundred six million, four hundred fifty-three thousand, six hundred twenty-four".