3440729972 has 6 divisors (see below), whose sum is σ = 6021277458. Its totient is φ = 1720364984.

The previous prime is 3440729953. The next prime is 3440729983. The reversal of 3440729972 is 2799270443.

It can be written as a sum of positive squares in only one way, i.e., 2827474276 + 613255696 = 53174^2 + 24764^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430091243 + ... + 430091250.

It is an arithmetic number, because the mean of its divisors is an integer number (1003546243).

Almost surely, 2^3440729972 is an apocalyptic number.

It is an amenable number.

3440729972 is a deficient number, since it is larger than the sum of its proper divisors (2580547486).

3440729972 is a wasteful number, since it uses less digits than its factorization.

3440729972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860182497 (or 860182495 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 47.

The square root of 3440729972 is about 58657.7358240156. The cubic root of 3440729972 is about 1509.6752327000.

The spelling of 3440729972 in words is "three billion, four hundred forty million, seven hundred twenty-nine thousand, nine hundred seventy-two".