405770790340 has 48 divisors (see below), whose sum is σ = 902429265024. Its totient is φ = 152729280000.

The previous prime is 405770790331. The next prime is 405770790343. The reversal of 405770790340 is 43097077504.

It is not an unprimeable number, because it can be changed into a prime (405770790343) 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, 1562815 + ... + 1803865.

It is an arithmetic number, because the mean of its divisors is an integer number (18800609688).

Almost surely, 2^405770790340 is an apocalyptic number.

It is an amenable number.

405770790340 is an abundant number, since it is smaller than the sum of its proper divisors (496658474684).

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

405770790340 is a wasteful number, since it uses less digits than its factorization.

405770790340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246028 (or 246026 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 46.

The spelling of 405770790340 in words is "four hundred five billion, seven hundred seventy million, seven hundred ninety thousand, three hundred forty".