3450087640 has 64 divisors (see below), whose sum is σ = 8345203200. Its totient is φ = 1279571328.

The previous prime is 3450087623. The next prime is 3450087647. The reversal of 3450087640 is 467800543.

It is a self number, because there is not a number n which added to its sum of digits gives 3450087640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3450087647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12574 + ... + 84013.

It is an arithmetic number, because the mean of its divisors is an integer number (130393800).

Almost surely, 2^3450087640 is an apocalyptic number.

It is an amenable number.

3450087640 is an abundant number, since it is smaller than the sum of its proper divisors (4895115560).

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

3450087640 is a wasteful number, since it uses less digits than its factorization.

3450087640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96664 (or 96660 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 3450087640 is about 58737.4466588394. The cubic root of 3450087640 is about 1511.0426026147.

The spelling of 3450087640 in words is "three billion, four hundred fifty million, eighty-seven thousand, six hundred forty".