405142062 has 64 divisors (see below), whose sum is σ = 934597440. Its totient is φ = 115974144.

The previous prime is 405142061. The next prime is 405142063. The reversal of 405142062 is 260241504.

It is an interprime number because it is at equal distance from previous prime (405142061) and next prime (405142063).

It is a super-2 number, since 2×405142062² = 328280180803223688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405142061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116298 + ... + 119730.

It is an arithmetic number, because the mean of its divisors is an integer number (14603085).

Almost surely, 2^405142062 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 405142062, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467298720).

405142062 is an abundant number, since it is smaller than the sum of its proper divisors (529455378).

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

405142062 is a wasteful number, since it uses less digits than its factorization.

405142062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3557.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 405142062 is about 20128.1410468031. The cubic root of 405142062 is about 739.9501195986.

Adding to 405142062 its reverse (260241504), we get a palindrome (665383566).

The spelling of 405142062 in words is "four hundred five million, one hundred forty-two thousand, sixty-two".