3427399040 has 64 divisors (see below), whose sum is σ = 8823926160. Its totient is φ = 1265498112.

The previous prime is 3427399039. The next prime is 3427399049. The reversal of 3427399040 is 409937243.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3427399049) 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, 197654 + ... + 214293.

Almost surely, 2^3427399040 is an apocalyptic number.

It is an amenable number.

3427399040 is an abundant number, since it is smaller than the sum of its proper divisors (5396527120).

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

3427399040 is a wasteful number, since it uses less digits than its factorization.

3427399040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411979 (or 411967 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 3427399040 is about 58543.9923476355. The cubic root of 3427399040 is about 1507.7229894545.

The spelling of 3427399040 in words is "three billion, four hundred twenty-seven million, three hundred ninety-nine thousand, forty".