1004011421240 has 32 divisors (see below), whose sum is σ = 2275514948880. Its totient is φ = 398673146112.

The previous prime is 1004011421233. The next prime is 1004011421267. The reversal of 1004011421240 is 421241104001.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 91601402 + ... + 91612361.

Almost surely, 2^{1004011421240} is an apocalyptic number.

1004011421240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004011421240 is an abundant number, since it is smaller than the sum of its proper divisors (1271503527640).

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

1004011421240 is a wasteful number, since it uses less digits than its factorization.

1004011421240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183213911 (or 183213907 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1004011421240 its reverse (421241104001), we get a palindrome (1425252525241).

The spelling of 1004011421240 in words is "one trillion, four billion, eleven million, four hundred twenty-one thousand, two hundred forty".