1424122440 has 96 divisors (see below), whose sum is σ = 4626357120. Its totient is φ = 350548224.

The previous prime is 1424122429. The next prime is 1424122457. The reversal of 1424122440 is 442214241.

It is a super-2 number, since 2×1424122440² = 4056249448223107200, which 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 1424122440.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14832 + ... + 55391.

It is an arithmetic number, because the mean of its divisors is an integer number (48191220).

Almost surely, 2^1424122440 is an apocalyptic number.

1424122440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1424122440 is an abundant number, since it is smaller than the sum of its proper divisors (3202234680).

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

1424122440 is a wasteful number, since it uses less digits than its factorization.

1424122440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70263 (or 70246 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 1424122440 is about 37737.5468201101. The cubic root of 1424122440 is about 1125.0775097214.

Adding to 1424122440 its reverse (442214241), we get a palindrome (1866336681).

The spelling of 1424122440 in words is "one billion, four hundred twenty-four million, one hundred twenty-two thousand, four hundred forty".