240151540 has 12 divisors (see below), whose sum is σ = 504318276. Its totient is φ = 96060608.

The previous prime is 240151501. The next prime is 240151543. The reversal of 240151540 is 45151042.

It can be written as a sum of positive squares in 2 ways, for example, as 186978276 + 53173264 = 13674^2 + 7292^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240151543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6003769 + ... + 6003808.

It is an arithmetic number, because the mean of its divisors is an integer number (42026523).

Almost surely, 2^240151540 is an apocalyptic number.

240151540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240151540 is an abundant number, since it is smaller than the sum of its proper divisors (264166736).

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

240151540 is a wasteful number, since it uses less digits than its factorization.

240151540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12007586 (or 12007584 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 240151540 is about 15496.8235454883. The cubic root of 240151540 is about 621.5772708973.

The spelling of 240151540 in words is "two hundred forty million, one hundred fifty-one thousand, five hundred forty".