2102499144 has 48 divisors (see below), whose sum is σ = 5774483520. Its totient is φ = 690960480.

The previous prime is 2102499109. The next prime is 2102499163. The reversal of 2102499144 is 4419942012.

2102499144 is a `hidden beast` number, since 21 + 0 + 2 + 499 + 144 = 666.

It is a super-3 number, since 3×2102499144³ (a number of 29 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2102499099 and 2102499108.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200532 + ... + 210755.

It is an arithmetic number, because the mean of its divisors is an integer number (120301740).

Almost surely, 2^2102499144 is an apocalyptic number.

2102499144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2102499144 is an abundant number, since it is smaller than the sum of its proper divisors (3671984376).

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

2102499144 is a wasteful number, since it uses less digits than its factorization.

2102499144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411370 (or 411363 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2102499144 is about 45853.0167382692. The cubic root of 2102499144 is about 1281.0869559445.

The spelling of 2102499144 in words is "two billion, one hundred two million, four hundred ninety-nine thousand, one hundred forty-four".