3645400003408 has 10 divisors (see below), whose sum is σ = 7062962506634. Its totient is φ = 1822700001696.

The previous prime is 3645400003393. The next prime is 3645400003433. The reversal of 3645400003408 is 8043000045463.

It can be written as a sum of positive squares in only one way, i.e., 2651973166144 + 993426837264 = 1628488^2 + 996708^2 .

It is a super-2 number, since 2×3645400003408² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113918750091 + ... + 113918750122.

Almost surely, 2^{3645400003408} is an apocalyptic number.

It is an amenable number.

3645400003408 is a deficient number, since it is larger than the sum of its proper divisors (3417562503226).

3645400003408 is a wasteful number, since it uses less digits than its factorization.

3645400003408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227837500221 (or 227837500215 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 3645400003408 in words is "three trillion, six hundred forty-five billion, four hundred million, three thousand, four hundred eight".