1428741405 has 192 divisors, whose sum is σ = 3226728960. Its totient is φ = 568608768.

The previous prime is 1428741403. The next prime is 1428741407. The reversal of 1428741405 is 5041478241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1428741403) and next prime (1428741407).

It is not a de Polignac number, because 1428741405 - 2¹ = 1428741403 is a prime.

It is a super-2 number, since 2×1428741405² = 4082604004722748050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1428741405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428741401) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6293902 + ... + 6294128.

It is an arithmetic number, because the mean of its divisors is an integer number (16805880).

Almost surely, 2^1428741405 is an apocalyptic number.

1428741405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1428741405 is an abundant number, since it is smaller than the sum of its proper divisors (1797987555).

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

1428741405 is a wasteful number, since it uses less digits than its factorization.

1428741405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 1428741405 is about 37798.6958108345. The cubic root of 1428741405 is about 1126.2925469770.

The spelling of 1428741405 in words is "one billion, four hundred twenty-eight million, seven hundred forty-one thousand, four hundred five".