1342432240 has 40 divisors (see below), whose sum is σ = 3131862048. Its totient is φ = 535130880.

The previous prime is 1342432219. The next prime is 1342432279. The reversal of 1342432240 is 422342431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 5196 + ... + 52075.

Almost surely, 2^1342432240 is an apocalyptic number.

1342432240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1342432240 is an abundant number, since it is smaller than the sum of its proper divisors (1789429808).

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

1342432240 is a wasteful number, since it uses less digits than its factorization.

1342432240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57577 (or 57571 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1342432240 is about 36639.2172405470. The cubic root of 1342432240 is about 1103.1404033031.

Adding to 1342432240 its reverse (422342431), we get a palindrome (1764774671).

The spelling of 1342432240 in words is "one billion, three hundred forty-two million, four hundred thirty-two thousand, two hundred forty".