1342550440 has 64 divisors (see below), whose sum is σ = 3766124160. Its totient is φ = 418456320.

The previous prime is 1342550359. The next prime is 1342550467. The reversal of 1342550440 is 440552431.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1342550399 and 1342550408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214867 + ... + 221026.

It is an arithmetic number, because the mean of its divisors is an integer number (58845690).

Almost surely, 2^1342550440 is an apocalyptic number.

1342550440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1342550440 is an abundant number, since it is smaller than the sum of its proper divisors (2423573720).

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

1342550440 is a wasteful number, since it uses less digits than its factorization.

1342550440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435922 (or 435918 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1342550440 is about 36640.8302307685. The cubic root of 1342550440 is about 1103.1727792064.

The spelling of 1342550440 in words is "one billion, three hundred forty-two million, five hundred fifty thousand, four hundred forty".