155695386340 has 24 divisors (see below), whose sum is σ = 352111105080. Its totient is φ = 57487527168.

The previous prime is 155695386331. The next prime is 155695386349. The reversal of 155695386340 is 43683596551.

It is an interprime number because it is at equal distance from previous prime (155695386331) and next prime (155695386349).

It can be written as a sum of positive squares in 4 ways, for example, as 1260534016 + 154434852324 = 35504^2 + 392982^2 .

It is not an unprimeable number, because it can be changed into a prime (155695386349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299413945 + ... + 299414464.

It is an arithmetic number, because the mean of its divisors is an integer number (14671296045).

Almost surely, 2^155695386340 is an apocalyptic number.

155695386340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155695386340 is an abundant number, since it is smaller than the sum of its proper divisors (196415718740).

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

155695386340 is a wasteful number, since it uses less digits than its factorization.

155695386340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598828431 (or 598828429 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 55.

The spelling of 155695386340 in words is "one hundred fifty-five billion, six hundred ninety-five million, three hundred eighty-six thousand, three hundred forty".