155610242424420 has 96 divisors (see below), whose sum is σ = 524160816614400. Its totient is φ = 33696052493184.

The previous prime is 155610242424389. The next prime is 155610242424437. The reversal of 155610242424420 is 24424242016551.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 9750007210 + ... + 9750023169.

It is an arithmetic number, because the mean of its divisors is an integer number (5460008506400).

Almost surely, 2^{155610242424420} is an apocalyptic number.

155610242424420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155610242424420 is an abundant number, since it is smaller than the sum of its proper divisors (368550574189980).

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

155610242424420 is a wasteful number, since it uses less digits than its factorization.

155610242424420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19500030417 (or 19500030415 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 42.

The spelling of 155610242424420 in words is "one hundred fifty-five trillion, six hundred ten billion, two hundred forty-two million, four hundred twenty-four thousand, four hundred twenty".