152040440 has 16 divisors (see below), whose sum is σ = 342091080. Its totient is φ = 60816160.

The previous prime is 152040439. The next prime is 152040521. The reversal of 152040440 is 44040251.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1900466 + ... + 1900545.

Almost surely, 2^152040440 is an apocalyptic number.

152040440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152040440 is an abundant number, since it is smaller than the sum of its proper divisors (190050640).

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

152040440 is a wasteful number, since it uses less digits than its factorization.

152040440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3801022 (or 3801018 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 152040440 is about 12330.4679554346. The cubic root of 152040440 is about 533.7276545664.

Adding to 152040440 its reverse (44040251), we get a palindrome (196080691).

The spelling of 152040440 in words is "one hundred fifty-two million, forty thousand, four hundred forty".