155340075408 has 80 divisors (see below), whose sum is σ = 458769970176. Its totient is φ = 44368663680.

The previous prime is 155340075391. The next prime is 155340075431. The reversal of 155340075408 is 804570043551.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 155340075408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 999735 + ... + 1144617.

Almost surely, 2^155340075408 is an apocalyptic number.

It is an amenable number.

155340075408 is an abundant number, since it is smaller than the sum of its proper divisors (303429894768).

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

155340075408 is a wasteful number, since it uses less digits than its factorization.

155340075408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148092 (or 148086 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 42.

The spelling of 155340075408 in words is "one hundred fifty-five billion, three hundred forty million, seventy-five thousand, four hundred eight".