240744150136421 has 8 divisors (see below), whose sum is σ = 240763697356800. Its totient is φ = 240724603743120.

The previous prime is 240744150136363. The next prime is 240744150136439. The reversal of 240744150136421 is 124631051447042.

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 240744150136421 - 2⁴⁶ = 170375405958757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240744150136921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666185660 + ... + 666546938.

It is an arithmetic number, because the mean of its divisors is an integer number (30095462169600).

Almost surely, 2^{240744150136421} is an apocalyptic number.

It is an amenable number.

240744150136421 is a deficient number, since it is larger than the sum of its proper divisors (19547220379).

240744150136421 is a wasteful number, since it uses less digits than its factorization.

240744150136421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413539.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 240744150136421 in words is "two hundred forty trillion, seven hundred forty-four billion, one hundred fifty million, one hundred thirty-six thousand, four hundred twenty-one".