240157512135463 has 4 divisors (see below), whose sum is σ = 258631166915128. Its totient is φ = 221683857355800.

The previous prime is 240157512135461. The next prime is 240157512135509. The reversal of 240157512135463 is 364531215751042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 240157512135463 - 2¹ = 240157512135461 is a prime.

It is a super-2 number, since 2×240157512135463² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240157512135461) 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, 9236827389813 + ... + 9236827389838.

It is an arithmetic number, because the mean of its divisors is an integer number (64657791728782).

Almost surely, 2^{240157512135463} is an apocalyptic number.

240157512135463 is a deficient number, since it is larger than the sum of its proper divisors (18473654779665).

240157512135463 is a wasteful number, since it uses less digits than its factorization.

240157512135463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18473654779664.

The product of its (nonzero) digits is 3024000, while the sum is 49.

The spelling of 240157512135463 in words is "two hundred forty trillion, one hundred fifty-seven billion, five hundred twelve million, one hundred thirty-five thousand, four hundred sixty-three".