1405370242 has 16 divisors (see below), whose sum is σ = 2205480960. Its totient is φ = 670370272.

The previous prime is 1405370233. The next prime is 1405370251. The reversal of 1405370242 is 2420735041.

It is an interprime number because it is at equal distance from previous prime (1405370233) and next prime (1405370251).

It is a self number, because there is not a number n which added to its sum of digits gives 1405370242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22267 + ... + 57502.

It is an arithmetic number, because the mean of its divisors is an integer number (137842560).

Almost surely, 2^1405370242 is an apocalyptic number.

1405370242 is a deficient number, since it is larger than the sum of its proper divisors (800110718).

1405370242 is a wasteful number, since it uses less digits than its factorization.

1405370242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80177.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 1405370242 is about 37488.2680581539. The cubic root of 1405370242 is about 1120.1175052097.

The spelling of 1405370242 in words is "one billion, four hundred five million, three hundred seventy thousand, two hundred forty-two".