2150402500 has 120 divisors (see below), whose sum is σ = 4880937600. Its totient is φ = 828240000.

The previous prime is 2150402497. The next prime is 2150402509. The reversal of 2150402500 is 52040512.

It is not an unprimeable number, because it can be changed into a prime (2150402509) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8997381 + ... + 8997619.

It is an arithmetic number, because the mean of its divisors is an integer number (40674480).

Almost surely, 2^2150402500 is an apocalyptic number.

2150402500 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 2150402500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2440468800).

2150402500 is an abundant number, since it is smaller than the sum of its proper divisors (2730535100).

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

2150402500 is a wasteful number, since it uses less digits than its factorization.

2150402500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2150402500 is about 46372.4325434843. The cubic root of 2150402500 is about 1290.7434170143.

The spelling of 2150402500 in words is "two billion, one hundred fifty million, four hundred two thousand, five hundred".