1049453680 has 40 divisors (see below), whose sum is σ = 2661798384. Its totient is φ = 381619200.

The previous prime is 1049453677. The next prime is 1049453693. The reversal of 1049453680 is 863549401.

1049453680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1049453680² = 2202706052931084800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 595401 + ... + 597160.

Almost surely, 2^1049453680 is an apocalyptic number.

1049453680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1049453680 is an abundant number, since it is smaller than the sum of its proper divisors (1612344704).

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

1049453680 is a wasteful number, since it uses less digits than its factorization.

1049453680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192585 (or 1192579 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 1049453680 is about 32395.2724946095. The cubic root of 1049453680 is about 1016.2200476117.

The spelling of 1049453680 in words is "one billion, forty-nine million, four hundred fifty-three thousand, six hundred eighty".