2150213540 has 48 divisors (see below), whose sum is σ = 4604303088. Its totient is φ = 843300864.

The previous prime is 2150213539. The next prime is 2150213557. The reversal of 2150213540 is 453120512.

It can be written as a sum of positive squares in 8 ways, for example, as 530473024 + 1619740516 = 23032^2 + 40246^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248324 + ... + 256836.

It is an arithmetic number, because the mean of its divisors is an integer number (95922981).

Almost surely, 2^2150213540 is an apocalyptic number.

2150213540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2150213540 is an abundant number, since it is smaller than the sum of its proper divisors (2454089548).

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

2150213540 is a wasteful number, since it uses less digits than its factorization.

2150213540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8768 (or 8766 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2150213540 is about 46370.3950813447. The cubic root of 2150213540 is about 1290.7056092054.

The spelling of 2150213540 in words is "two billion, one hundred fifty million, two hundred thirteen thousand, five hundred forty".