241995640 has 16 divisors (see below), whose sum is σ = 544490280. Its totient is φ = 96798240.

The previous prime is 241995617. The next prime is 241995659. The reversal of 241995640 is 46599142.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 6049891 = 241995640 / (2 + 4 + 1 + 9 + 9 + 5 + 6 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 241995593 and 241995602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3024906 + ... + 3024985.

Almost surely, 2^241995640 is an apocalyptic number.

241995640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

241995640 is an abundant number, since it is smaller than the sum of its proper divisors (302494640).

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

241995640 is a wasteful number, since it uses less digits than its factorization.

241995640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6049902 (or 6049898 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 241995640 is about 15556.2090497653. The cubic root of 241995640 is about 623.1642259733.

The spelling of 241995640 in words is "two hundred forty-one million, nine hundred ninety-five thousand, six hundred forty".