405053016 has 32 divisors (see below), whose sum is σ = 1072200240. Its totient is φ = 127075328.

The previous prime is 405052979. The next prime is 405053017. The reversal of 405053016 is 610350504.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405053017) 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, 495981 + ... + 496796.

Almost surely, 2^405053016 is an apocalyptic number.

It is an amenable number.

405053016 is an abundant number, since it is smaller than the sum of its proper divisors (667147224).

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

405053016 is a wasteful number, since it uses less digits than its factorization.

405053016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992803 (or 992799 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 405053016 is about 20125.9289475045. The cubic root of 405053016 is about 739.8959045200.

The spelling of 405053016 in words is "four hundred five million, fifty-three thousand, sixteen".