1141449240 has 32 divisors (see below), whose sum is σ = 3424348080. Its totient is φ = 304386432.

The previous prime is 1141449229. The next prime is 1141449289. The reversal of 1141449240 is 429441411.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1141449198 and 1141449207.

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, 4755919 + ... + 4756158.

Almost surely, 2^1141449240 is an apocalyptic number.

1141449240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141449240 is an abundant number, since it is smaller than the sum of its proper divisors (2282898840).

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

1141449240 is a wasteful number, since it uses less digits than its factorization.

1141449240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9512091 (or 9512087 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1141449240 is about 33785.3406080211. The cubic root of 1141449240 is about 1045.0864118161.

The spelling of 1141449240 in words is "one billion, one hundred forty-one million, four hundred forty-nine thousand, two hundred forty".