2152407844 has 6 divisors (see below), whose sum is σ = 3766713734. Its totient is φ = 1076203920.

The previous prime is 2152407839. The next prime is 2152407863. The reversal of 2152407844 is 4487042512.

It can be written as a sum of positive squares in only one way, i.e., 2051002944 + 101404900 = 45288^2 + 10070^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269050977 + ... + 269050984.

Almost surely, 2^2152407844 is an apocalyptic number.

It is an amenable number.

2152407844 is a deficient number, since it is larger than the sum of its proper divisors (1614305890).

2152407844 is a wasteful number, since it uses less digits than its factorization.

2152407844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538101965 (or 538101963 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 37.

The square root of 2152407844 is about 46394.0496615676. The cubic root of 2152407844 is about 1291.1445171789.

The spelling of 2152407844 in words is "two billion, one hundred fifty-two million, four hundred seven thousand, eight hundred forty-four".