151330440 has 64 divisors (see below), whose sum is σ = 477892800. Its totient is φ = 38230272.

The previous prime is 151330433. The next prime is 151330441. The reversal of 151330440 is 44033151.

It is not an unprimeable number, because it can be changed into a prime (151330441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30907 + ... + 35466.

It is an arithmetic number, because the mean of its divisors is an integer number (7467075).

Almost surely, 2^151330440 is an apocalyptic number.

151330440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151330440 is an abundant number, since it is smaller than the sum of its proper divisors (326562360).

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

151330440 is a wasteful number, since it uses less digits than its factorization.

151330440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66406 (or 66402 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 151330440 is about 12301.6437925994. The cubic root of 151330440 is about 532.8955556865.

Adding to 151330440 its reverse (44033151), we get a palindrome (195363591).

The spelling of 151330440 in words is "one hundred fifty-one million, three hundred thirty thousand, four hundred forty".