155734267623340 has 36 divisors (see below), whose sum is σ = 380436568053696. Its totient is φ = 53394606041952.

The previous prime is 155734267623323. The next prime is 155734267623349. The reversal of 155734267623340 is 43326762437551.

It is a super-2 number, since 2×155734267623340² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155734267623349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79456258012 + ... + 79456259971.

It is an arithmetic number, because the mean of its divisors is an integer number (10567682445936).

Almost surely, 2^{155734267623340} is an apocalyptic number.

155734267623340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155734267623340 is an abundant number, since it is smaller than the sum of its proper divisors (224702300430356).

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

155734267623340 is a wasteful number, since it uses less digits than its factorization.

155734267623340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158912518006 (or 158912517997 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 58.

The spelling of 155734267623340 in words is "one hundred fifty-five trillion, seven hundred thirty-four billion, two hundred sixty-seven million, six hundred twenty-three thousand, three hundred forty".