404240132987 has 8 divisors (see below), whose sum is σ = 425720447760. Its totient is φ = 382780270080.

The previous prime is 404240132983. The next prime is 404240133049. The reversal of 404240132987 is 789231042404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 404240132987 - 2² = 404240132983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404240132983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5072378 + ... + 5151455.

It is an arithmetic number, because the mean of its divisors is an integer number (53215055970).

Almost surely, 2^404240132987 is an apocalyptic number.

404240132987 is a deficient number, since it is larger than the sum of its proper divisors (21480314773).

404240132987 is a wasteful number, since it uses less digits than its factorization.

404240132987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10225933.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 404240132987 in words is "four hundred four billion, two hundred forty million, one hundred thirty-two thousand, nine hundred eighty-seven".