155433355041240 has 96 divisors (see below), whose sum is σ = 505339532427600. Its totient is φ = 41434032848640.

The previous prime is 155433355041227. The next prime is 155433355041269. The reversal of 155433355041240 is 42140553334551.

155433355041240 is a `hidden beast` number, since 1 + 5 + 5 + 4 + 3 + 33 + 550 + 41 + 24 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76399926 + ... + 78408005.

Almost surely, 2^{155433355041240} is an apocalyptic number.

155433355041240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155433355041240 is an abundant number, since it is smaller than the sum of its proper divisors (349906177386360).

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

155433355041240 is a wasteful number, since it uses less digits than its factorization.

155433355041240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154810737 (or 154810730 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 45.

The spelling of 155433355041240 in words is "one hundred fifty-five trillion, four hundred thirty-three billion, three hundred fifty-five million, forty-one thousand, two hundred forty".