153422440 has 32 divisors (see below), whose sum is σ = 345584160. Its totient is φ = 61300800.

The previous prime is 153422431. The next prime is 153422459. The reversal of 153422440 is 44224351.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50155 + ... + 53125.

It is an arithmetic number, because the mean of its divisors is an integer number (10799505).

Almost surely, 2^153422440 is an apocalyptic number.

153422440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153422440 is an abundant number, since it is smaller than the sum of its proper divisors (192161720).

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

153422440 is a wasteful number, since it uses less digits than its factorization.

153422440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4273 (or 4269 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 153422440 is about 12386.3812310134. The cubic root of 153422440 is about 535.3399184926.

Adding to 153422440 its reverse (44224351), we get a palindrome (197646791).

The spelling of 153422440 in words is "one hundred fifty-three million, four hundred twenty-two thousand, four hundred forty".