155006040738 has 8 divisors (see below), whose sum is σ = 310012081488. Its totient is φ = 51668680244.

The previous prime is 155006040731. The next prime is 155006040743. The reversal of 155006040738 is 837040600551.

It is a sphenic number, since it is the product of 3 distinct primes.

155006040738 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 155006040696 and 155006040705.

It is not an unprimeable number, because it can be changed into a prime (155006040731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12917170056 + ... + 12917170067.

It is an arithmetic number, because the mean of its divisors is an integer number (38751510186).

Almost surely, 2^155006040738 is an apocalyptic number.

155006040738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

155006040738 is a wasteful number, since it uses less digits than its factorization.

155006040738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25834340128.

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 155006040738 in words is "one hundred fifty-five billion, six million, forty thousand, seven hundred thirty-eight".