3427555640 has 32 divisors (see below), whose sum is σ = 8165648880. Its totient is φ = 1290373632.

The previous prime is 3427555627. The next prime is 3427555693. The reversal of 3427555640 is 465557243.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2519582 + ... + 2520941.

Almost surely, 2^3427555640 is an apocalyptic number.

It is an amenable number.

3427555640 is an abundant number, since it is smaller than the sum of its proper divisors (4738093240).

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

3427555640 is a wasteful number, since it uses less digits than its factorization.

3427555640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040551 (or 5040547 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 41.

The square root of 3427555640 is about 58545.3297881223. The cubic root of 3427555640 is about 1507.7459520394.

The spelling of 3427555640 in words is "three billion, four hundred twenty-seven million, five hundred fifty-five thousand, six hundred forty".