407040897889 has 16 divisors (see below), whose sum is σ = 426752767872. Its totient is φ = 387500750208.

The previous prime is 407040897883. The next prime is 407040897911. The reversal of 407040897889 is 988798040704.

It is a cyclic number.

It is not a de Polignac number, because 407040897889 - 2²¹ = 407038800737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 407040897889.

It is not an unprimeable number, because it can be changed into a prime (407040897883) 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, 4657654 + ... + 4744240.

It is an arithmetic number, because the mean of its divisors is an integer number (26672047992).

Almost surely, 2^407040897889 is an apocalyptic number.

It is an amenable number.

407040897889 is a deficient number, since it is larger than the sum of its proper divisors (19711869983).

407040897889 is a wasteful number, since it uses less digits than its factorization.

407040897889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87576.

The product of its (nonzero) digits is 32514048, while the sum is 64.

The spelling of 407040897889 in words is "four hundred seven billion, forty million, eight hundred ninety-seven thousand, eight hundred eighty-nine".