240252411 has 16 divisors (see below), whose sum is σ = 382017024. Its totient is φ = 131317824.

The previous prime is 240252409. The next prime is 240252461. The reversal of 240252411 is 114252042.

It is not a de Polignac number, because 240252411 - 2¹ = 240252409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (240252401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248226 + ... + 249191.

It is an arithmetic number, because the mean of its divisors is an integer number (23876064).

Almost surely, 2^240252411 is an apocalyptic number.

240252411 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

240252411 is a deficient number, since it is larger than the sum of its proper divisors (141764613).

240252411 is a wasteful number, since it uses less digits than its factorization.

240252411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497450.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 240252411 is about 15500.0777739984. The cubic root of 240252411 is about 621.6642858774.

The spelling of 240252411 in words is "two hundred forty million, two hundred fifty-two thousand, four hundred eleven".