240551243153431 has 8 divisors (see below), whose sum is σ = 274918609959840. Its totient is φ = 206184602221728.

The previous prime is 240551243153401. The next prime is 240551243153491. The reversal of 240551243153431 is 134351342155042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240551243153431 - 2²⁹ = 240550706282519 is a prime.

It is a super-2 number, since 2×240551243153431² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240551243153401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180758356 + ... + 182084281.

It is an arithmetic number, because the mean of its divisors is an integer number (34364826244980).

Almost surely, 2^{240551243153431} is an apocalyptic number.

240551243153431 is a deficient number, since it is larger than the sum of its proper divisors (34367366806409).

240551243153431 is an equidigital number, since it uses as much as digits as its factorization.

240551243153431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362937353.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 240551243153431 in words is "two hundred forty trillion, five hundred fifty-one billion, two hundred forty-three million, one hundred fifty-three thousand, four hundred thirty-one".