34142002440 has 384 divisors, whose sum is σ = 128814053760. Its totient is φ = 7175540736.

The previous prime is 34142002439. The next prime is 34142002457. The reversal of 34142002440 is 4420024143.

It is a happy number.

It is a super-2 number, since 2×34142002440² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 34142002440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23925007 + ... + 23926433.

It is an arithmetic number, because the mean of its divisors is an integer number (335453265).

Almost surely, 2^34142002440 is an apocalyptic number.

34142002440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34142002440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64407026880).

34142002440 is an abundant number, since it is smaller than the sum of its proper divisors (94672051320).

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

34142002440 is a wasteful number, since it uses less digits than its factorization.

34142002440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781 (or 1770 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 34142002440 its reverse (4420024143), we get a palindrome (38562026583).

The spelling of 34142002440 in words is "thirty-four billion, one hundred forty-two million, two thousand, four hundred forty".