2172040964 has 24 divisors (see below), whose sum is σ = 3826313568. Its totient is φ = 1078833600.

The previous prime is 2172040901. The next prime is 2172040967. The reversal of 2172040964 is 4690402712.

It is not an unprimeable number, because it can be changed into a prime (2172040967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381539 + ... + 387189.

It is an arithmetic number, because the mean of its divisors is an integer number (159429732).

Almost surely, 2^2172040964 is an apocalyptic number.

It is an amenable number.

2172040964 is a deficient number, since it is larger than the sum of its proper divisors (1654272604).

2172040964 is a wasteful number, since it uses less digits than its factorization.

2172040964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6275 (or 6273 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 2172040964 is about 46605.1602722274. The cubic root of 2172040964 is about 1295.0583524935.

The spelling of 2172040964 in words is "two billion, one hundred seventy-two million, forty thousand, nine hundred sixty-four".