3438641240 has 32 divisors (see below), whose sum is σ = 7739459280. Its totient is φ = 1375009152.

The previous prime is 3438641233. The next prime is 3438641249. The reversal of 3438641240 is 421468343.

It is a self number, because there is not a number n which added to its sum of digits gives 3438641240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3438641249) 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, 128459 + ... + 152901.

Almost surely, 2^3438641240 is an apocalyptic number.

It is an amenable number.

3438641240 is an abundant number, since it is smaller than the sum of its proper divisors (4300818040).

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

3438641240 is a wasteful number, since it uses less digits than its factorization.

3438641240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27971 (or 27967 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 3438641240 is about 58639.9287175556. The cubic root of 3438641240 is about 1509.3696826867.

The spelling of 3438641240 in words is "three billion, four hundred thirty-eight million, six hundred forty-one thousand, two hundred forty".