3520142672 has 40 divisors (see below), whose sum is σ = 7312924800. Its totient is φ = 1635558912.

The previous prime is 3520142671. The next prime is 3520142713. The reversal of 3520142672 is 2762410253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520142671) 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, 60422 + ... + 103397.

It is an arithmetic number, because the mean of its divisors is an integer number (182823120).

Almost surely, 2^3520142672 is an apocalyptic number.

It is an amenable number.

3520142672 is an abundant number, since it is smaller than the sum of its proper divisors (3792782128).

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

3520142672 is a wasteful number, since it uses less digits than its factorization.

3520142672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163923 (or 163917 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 3520142672 is about 59330.7902526167. The cubic root of 3520142672 is about 1521.2015361039.

The spelling of 3520142672 in words is "three billion, five hundred twenty million, one hundred forty-two thousand, six hundred seventy-two".