3453449040 has 80 divisors (see below), whose sum is σ = 11895220800. Its totient is φ = 920919168.

The previous prime is 3453448967. The next prime is 3453449047. The reversal of 3453449040 is 409443543.

It is a happy number.

3453449040 is a `hidden beast` number, since 34 + 534 + 4 + 90 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3453448986 and 3453449004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3453449047) 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, 797250 + ... + 801569.

It is an arithmetic number, because the mean of its divisors is an integer number (148690260).

Almost surely, 2^3453449040 is an apocalyptic number.

3453449040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3453449040 is an abundant number, since it is smaller than the sum of its proper divisors (8441771760).

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

3453449040 is a wasteful number, since it uses less digits than its factorization.

3453449040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598841 (or 1598829 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 3453449040 is about 58766.0534662657. The cubic root of 3453449040 is about 1511.5331766209.

The spelling of 3453449040 in words is "three billion, four hundred fifty-three million, four hundred forty-nine thousand, forty".