240251144052487 has 2 divisors, whose sum is σ = 240251144052488. Its totient is φ = 240251144052486.

The previous prime is 240251144052473. The next prime is 240251144052509. The reversal of 240251144052487 is 784250441152042.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240251144052487 is a prime.

It is a super-2 number, since 2×240251144052487² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 240251144052487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240251144058487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120125572026243 + 120125572026244.

It is an arithmetic number, because the mean of its divisors is an integer number (120125572026244).

Almost surely, 2^{240251144052487} is an apocalyptic number.

240251144052487 is a deficient number, since it is larger than the sum of its proper divisors (1).

240251144052487 is an equidigital number, since it uses as much as digits as its factorization.

240251144052487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2867200, while the sum is 49.

The spelling of 240251144052487 in words is "two hundred forty trillion, two hundred fifty-one billion, one hundred forty-four million, fifty-two thousand, four hundred eighty-seven".