1405266442 has 16 divisors (see below), whose sum is σ = 2184888960. Its totient is φ = 677416608.

The previous prime is 1405266439. The next prime is 1405266469. The reversal of 1405266442 is 2446625041.

It is a super-2 number, since 2×1405266442² = 3949547546022678728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1405266398 and 1405266407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105267 + ... + 117862.

It is an arithmetic number, because the mean of its divisors is an integer number (136555560).

Almost surely, 2^1405266442 is an apocalyptic number.

1405266442 is a deficient number, since it is larger than the sum of its proper divisors (779622518).

1405266442 is a wasteful number, since it uses less digits than its factorization.

1405266442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223245.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 1405266442 is about 37486.8835994672. The cubic root of 1405266442 is about 1120.0899274094.

The spelling of 1405266442 in words is "one billion, four hundred five million, two hundred sixty-six thousand, four hundred forty-two".