155410507980 has 1536 divisors, whose sum is σ = 662323200000. Its totient is φ = 29957630976.

The previous prime is 155410507933. The next prime is 155410508003. The reversal of 155410507980 is 89705014551.

155410507980 is a `hidden beast` number, since 1 + 5 + 54 + 1 + 0 + 507 + 98 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 1967221581 + ... + 1967221659.

It is an arithmetic number, because the mean of its divisors is an integer number (431200000).

Almost surely, 2^155410507980 is an apocalyptic number.

155410507980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155410507980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331161600000).

155410507980 is an abundant number, since it is smaller than the sum of its proper divisors (506912692020).

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

155410507980 is a wasteful number, since it uses less digits than its factorization.

155410507980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 45.

The spelling of 155410507980 in words is "one hundred fifty-five billion, four hundred ten million, five hundred seven thousand, nine hundred eighty".