240781964 has 6 divisors (see below), whose sum is σ = 421368444. Its totient is φ = 120390980.

The previous prime is 240781943. The next prime is 240781969. The reversal of 240781964 is 469187042.

It is a super-3 number, since 3×240781964³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (240781969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30097742 + ... + 30097749.

It is an arithmetic number, because the mean of its divisors is an integer number (70228074).

Almost surely, 2^240781964 is an apocalyptic number.

It is an amenable number.

240781964 is a deficient number, since it is larger than the sum of its proper divisors (180586480).

240781964 is a wasteful number, since it uses less digits than its factorization.

240781964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60195495 (or 60195493 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 240781964 is about 15517.1506405010. The cubic root of 240781964 is about 622.1206983783.

The spelling of 240781964 in words is "two hundred forty million, seven hundred eighty-one thousand, nine hundred sixty-four".