1342430040 has 64 divisors (see below), whose sum is σ = 4602620160. Its totient is φ = 306840960.

The previous prime is 1342430017. The next prime is 1342430113. The reversal of 1342430040 is 400342431.

It is a super-3 number, since 3×1342430040³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1342429989 and 1342430016.

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 15 ways as a sum of consecutive naturals, for example, 798226 + ... + 799905.

It is an arithmetic number, because the mean of its divisors is an integer number (71915940).

Almost surely, 2^1342430040 is an apocalyptic number.

1342430040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1342430040 is an abundant number, since it is smaller than the sum of its proper divisors (3260190120).

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

1342430040 is a wasteful number, since it uses less digits than its factorization.

1342430040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598152 (or 1598148 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1342430040 is about 36639.1872180593. The cubic root of 1342430040 is about 1103.1398006879.

Adding to 1342430040 its reverse (400342431), we get a palindrome (1742772471).

The spelling of 1342430040 in words is "one billion, three hundred forty-two million, four hundred thirty thousand, forty".