12041002440 has 48 divisors (see below), whose sum is σ = 39133259100. Its totient is φ = 3210933888.

The previous prime is 12041002397. The next prime is 12041002451. The reversal of 12041002440 is 4420014021.

12041002440 is a `hidden beast` number, since 12 + 0 + 410 + 0 + 244 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11941681284 + 99321156 = 109278^2 + 9966^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16723255 + ... + 16723974.

Almost surely, 2^12041002440 is an apocalyptic number.

12041002440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12041002440 is an abundant number, since it is smaller than the sum of its proper divisors (27092256660).

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

12041002440 is a wasteful number, since it uses less digits than its factorization.

12041002440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33447246 (or 33447239 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12041002440 its reverse (4420014021), we get a palindrome (16461016461).

The spelling of 12041002440 in words is "twelve billion, forty-one million, two thousand, four hundred forty".