1149449406 has 32 divisors (see below), whose sum is σ = 2630838528. Its totient is φ = 327973440.

The previous prime is 1149449401. The next prime is 1149449443. The reversal of 1149449406 is 6049449411.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149449401) 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, 13981 + ... + 49943.

It is an arithmetic number, because the mean of its divisors is an integer number (82213704).

Almost surely, 2^1149449406 is an apocalyptic number.

1149449406 is an abundant number, since it is smaller than the sum of its proper divisors (1481389122).

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

1149449406 is a wasteful number, since it uses less digits than its factorization.

1149449406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36736.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 1149449406 is about 33903.5308780664. The cubic root of 1149449406 is about 1047.5223231231.

The spelling of 1149449406 in words is "one billion, one hundred forty-nine million, four hundred forty-nine thousand, four hundred six".