155340534353430 has 32 divisors (see below), whose sum is σ = 379136219443200. Its totient is φ = 40722038383712.

The previous prime is 155340534353429. The next prime is 155340534353461. The reversal of 155340534353430 is 34353435043551.

It is a super-2 number, since 2×155340534353430² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 155340534353430.

It is a congruent number.

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, 43881505110 + ... + 43881508649.

It is an arithmetic number, because the mean of its divisors is an integer number (11848006857600).

Almost surely, 2^{155340534353430} is an apocalyptic number.

155340534353430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155340534353430 is an abundant number, since it is smaller than the sum of its proper divisors (223795685089770).

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

155340534353430 is a wasteful number, since it uses less digits than its factorization.

155340534353430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87763013828.

The product of its (nonzero) digits is 9720000, while the sum is 48.

Adding to 155340534353430 its reverse (34353435043551), we get a palindrome (189693969396981).

The spelling of 155340534353430 in words is "one hundred fifty-five trillion, three hundred forty billion, five hundred thirty-four million, three hundred fifty-three thousand, four hundred thirty".