155495838740 has 48 divisors (see below), whose sum is σ = 356253629760. Its totient is φ = 56539687680.

The previous prime is 155495838737. The next prime is 155495838779. The reversal of 155495838740 is 47838594551.

It is a self number, because there is not a number n which added to its sum of digits gives 155495838740.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5807624 + ... + 5834336.

It is an arithmetic number, because the mean of its divisors is an integer number (7421950620).

Almost surely, 2^155495838740 is an apocalyptic number.

155495838740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155495838740 is an abundant number, since it is smaller than the sum of its proper divisors (200757791020).

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

155495838740 is a wasteful number, since it uses less digits than its factorization.

155495838740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53192 (or 53190 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 59.

The spelling of 155495838740 in words is "one hundred fifty-five billion, four hundred ninety-five million, eight hundred thirty-eight thousand, seven hundred forty".