2125499040 has 576 divisors, whose sum is σ = 8783873280. Its totient is φ = 457850880.

The previous prime is 2125499027. The next prime is 2125499053. The reversal of 2125499040 is 409945212.

2125499040 is a `hidden beast` number, since 2 + 125 + 499 + 0 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (2125499027) and next prime (2125499053).

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 = 2125498986 and 2125499004.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15291291 + ... + 15291429.

It is an arithmetic number, because the mean of its divisors is an integer number (15249780).

Almost surely, 2^2125499040 is an apocalyptic number.

2125499040 is a gapful number since it is divisible by the number (20) 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 2125499040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4391936640).

2125499040 is an abundant number, since it is smaller than the sum of its proper divisors (6658374240).

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

2125499040 is a wasteful number, since it uses less digits than its factorization.

2125499040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2125499040 is about 46103.1348174937. The cubic root of 2125499040 is about 1285.7414284217.

The spelling of 2125499040 in words is "two billion, one hundred twenty-five million, four hundred ninety-nine thousand, forty".