3240475491 has 32 divisors (see below), whose sum is σ = 4813966080. Its totient is φ = 1922211200.

The previous prime is 3240475487. The next prime is 3240475499. The reversal of 3240475491 is 1945740423.

3240475491 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3240475491 - 2² = 3240475487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3240475499) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 804280 + ... + 808298.

It is an arithmetic number, because the mean of its divisors is an integer number (150436440).

Almost surely, 2^3240475491 is an apocalyptic number.

3240475491 is a deficient number, since it is larger than the sum of its proper divisors (1573490589).

3240475491 is a wasteful number, since it uses less digits than its factorization.

3240475491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 3240475491 is about 56925.1744924862. The cubic root of 3240475491 is about 1479.7996275788.

It can be divided in two parts, 3240 and 475491, that added together give a triangular number (478731 = T₉₇₈).

The spelling of 3240475491 in words is "three billion, two hundred forty million, four hundred seventy-five thousand, four hundred ninety-one".