405314452452 has 48 divisors (see below), whose sum is σ = 1163979969152. Its totient is φ = 106896119040.

The previous prime is 405314452409. The next prime is 405314452471. The reversal of 405314452452 is 254254413504.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 405314452452.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185582449 + ... + 185584632.

Almost surely, 2^405314452452 is an apocalyptic number.

405314452452 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

405314452452 is an abundant number, since it is smaller than the sum of its proper divisors (758665516700).

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

405314452452 is a wasteful number, since it uses less digits than its factorization.

405314452452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371167108 (or 371167106 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 405314452452 its reverse (254254413504), we get a palindrome (659568865956).

The spelling of 405314452452 in words is "four hundred five billion, three hundred fourteen million, four hundred fifty-two thousand, four hundred fifty-two".