1140404412 has 48 divisors (see below), whose sum is σ = 3043111680. Its totient is φ = 325612032.

The previous prime is 1140404411. The next prime is 1140404431. The reversal of 1140404412 is 2144040411.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140404411) 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, 155083 + ... + 162269.

It is an arithmetic number, because the mean of its divisors is an integer number (63398160).

Almost surely, 2^1140404412 is an apocalyptic number.

1140404412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1140404412 is an abundant number, since it is smaller than the sum of its proper divisors (1902707268).

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

1140404412 is a wasteful number, since it uses less digits than its factorization.

1140404412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9090 (or 9088 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1140404412 is about 33769.8743260913. The cubic root of 1140404412 is about 1044.7674404461.

Adding to 1140404412 its reverse (2144040411), we get a palindrome (3284444823).

The spelling of 1140404412 in words is "one billion, one hundred forty million, four hundred four thousand, four hundred twelve".