407787582612 has 72 divisors (see below), whose sum is σ = 1007451611712. Its totient is φ = 128360534400.

The previous prime is 407787582611. The next prime is 407787582617. The reversal of 407787582612 is 216285787704.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407787582611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1195912 + ... + 1498592.

It is an arithmetic number, because the mean of its divisors is an integer number (13992383496).

Almost surely, 2^407787582612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 407787582612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503725805856).

407787582612 is an abundant number, since it is smaller than the sum of its proper divisors (599664029100).

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

407787582612 is a wasteful number, since it uses less digits than its factorization.

407787582612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303037 (or 303016 counting only the distinct ones).

The product of its (nonzero) digits is 10536960, while the sum is 57.

The spelling of 407787582612 in words is "four hundred seven billion, seven hundred eighty-seven million, five hundred eighty-two thousand, six hundred twelve".