42665545152240 has 40 divisors (see below), whose sum is σ = 132263189972688. Its totient is φ = 11377478707200.

The previous prime is 42665545152239. The next prime is 42665545152311. The reversal of 42665545152240 is 4225154556624.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88886552161 + ... + 88886552640.

Almost surely, 2^{42665545152240} is an apocalyptic number.

42665545152240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42665545152240 is an abundant number, since it is smaller than the sum of its proper divisors (89597644820448).

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

42665545152240 is a wasteful number, since it uses less digits than its factorization.

42665545152240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177773104817 (or 177773104811 counting only the distinct ones).

The product of its (nonzero) digits is 11520000, while the sum is 51.

The spelling of 42665545152240 in words is "forty-two trillion, six hundred sixty-five billion, five hundred forty-five million, one hundred fifty-two thousand, two hundred forty".